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Journal articles on the topic 'Aluminum fluoride'

Author: Grafiati

Published: 4 June 2021

Last updated: 11 March 2023

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1

Petlin, Ilya V., and Margarita S. Lesnikova. "WAYS OF PROCESSING AND RECYCLING OF FLUORINE-CONTAINING WASTE OF ALUMINUM INDUSTRY." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 60, no. 4 (2017): 108. http://dx.doi.org/10.6060/tcct.2017604.5352.

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The information on aluminum metal production volume, its application areas and ecological problems which go with aluminum production are described. The data on fluorine containing waste products types and quantity at aluminum production were reported. The aluminum production waste products negative influence on environment was identified. For hydrogen fluoride production the use of fluorine containing waste products as alternative man-made raw material is offered. Resource effective and resource saving method of aluminum production fluorine containing waste products processing is described in

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2

Wang, Wei, Luping Zeng, Shuang Du, Min Qiao, Junsong Chen, and Bosong Zhu. "The Influence of Alkali-Free Shotcrete Accelerators on Early Age Hydration and Property Development within Cement Systems." Materials 15, no. 19 (2022): 6907. http://dx.doi.org/10.3390/ma15196907.

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Fluoride-containing alkali-free setting accelerators are a common type of admixture used in tunnel shotcrete but few studies in the literature focus on the effect of their fluoride compounds on the setting and hardening properties of accelerated cement paste under low environment temperatures. Tunnel shotcrete in cold regions or winter construction periods would be obviously influenced by low environment temperatures, especially for its fast setting and quick support applications. The objective of this work is to evaluate the early age hydration behavior of different accelerated cement pastes

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3

Silveira, B. I., J. E. Blasquez, A. E. Dantas, and R. K. P. Santos. "FLUORIDES EVALUATION IN SPENT POT LINER: TOXICITY CHARACTERISTIC LEACHING PROCEDURE LIMITATIONS." SOUTHERN BRAZILIAN JOURNAL OF CHEMISTRY 9, no. 10 (2001): 41–46. http://dx.doi.org/10.48141/sbjchem.v9.n10.2001.43_2001.pdf.

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The spent pot liner (SPL) is a solid waste generated in the process of aluminum production and is considered hazardous because of its fluoride and cyanide content. The purpose of this study was to analyze the SPL fraction with low cyanide coming from Aluminio Brasileiro S.A. (ALBRAS). For all the pots studied the pH of the spent pot liner (SPL) was very high and ranged from 10 to 11.80. The total fluoride content determined at high pH varied from 5.13 to 11.41 %, while the total fluoride determined in leached fluid at pH 5.0 had low values that ranged from 0.26 to 3.46 %, indicating the low so

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4

Ilyukhin, A. B., and S. P. Petrosyants. "Aluminum fluoride nanohydrate." Crystallography Reports 47, no. 4 (2002): 574–76. http://dx.doi.org/10.1134/1.1496055.

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5

Hamilton, Steven J., and Terry A. Haines. "Influence of fluoride on aluminum toxicity to Atlantic salmon (Salmo salar)." Canadian Journal of Fisheries and Aquatic Sciences 52, no. 11 (1995): 2432–44. http://dx.doi.org/10.1139/f95-834.

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Atlantic salmon (Salmo salar) alevins were exposed to various aluminum (0–4700 μg/L) and four fluoride (0–500 μg/L) concentrations at two pH values (5.5 and 6.5) for 4- and 30-d periods. In the 4-d tests, aluminum with fluoride was less toxic at pH 6.5 than at pH 5.5, whereas without fluoride, pH had no effect. In the 30-d test, mortality in all treatments was 17–21% at pH 5.5, but only 3–7% at pH 6.5. Fish length and weight after 30 d were reduced in all fluoride–aluminum treatments at pH 5.5, but only in the 200-μg/L aluminum without fluoride treatment at pH 6.5. At pH 5.5 and 6.5 without al

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6

Tursunbaev, Sarvar, Nodir Turakhodjaev, Shirinkhon Turakhujaeva, Shakhrizoda Ozodova, Shohruh Hudoykulov, and Azizakhon Turakhujaeva. "Reduction of gas porosity when alloying A000 grade aluminum with lithium fluoride." IOP Conference Series: Earth and Environmental Science 1076, no. 1 (2022): 012076. http://dx.doi.org/10.1088/1755-1315/1076/1/012076.

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Abstract Currently, aluminum alloys are widely used in various industries, such as aerospace, mechanical engineering, food processing and others. The article presents the reduction of volume emissions of harmful gases in the process of alloying A000 grade technical aluminum alloy made of pure aluminum with a combination of lithium fluoride. In experiments, lithium fluorine was incorporated into technical aluminum in the groove structure in 3 different masses. Bund’s experiments were carried out in 2 different ways in a closed and open environment, outside the furnace, samples were taken. In bo

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7

Feng, Guo, Wei Hui Jiang, Jian Min Liu, et al. "Low-Temperature Synthesis of Magnesium-Stabilized Aluminum Titanate Powder via Non-Hydrolytic Sol-Gel Method." Materials Science Forum 848 (March 2016): 319–23. http://dx.doi.org/10.4028/www.scientific.net/msf.848.319.

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Magnesium-stabilized aluminum titanate powder was prepared via non-hydrolytic sol-gel method using titanium tetrachloride and anhydrous aluminium chloride as precursors, anhydrous ethanol as the oxygen donor, magnesium powder, magnesium fluoride, magnesium ethoxide and anhydrous magnesium acetate as stabilizers. The effect of magnesium stabilizers on low temperature synthesis of aluminum titanate was investigated, and their role and mechanism in stabilizing aluminum titanate were also studied by XRD, FT-IR and thermal expansion dilatometer. The results show that introducing magnesium powder or

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8

Egamnazarov, Khuseyn, Babaev Ikram Islamovich, Aliev Samardin Partoevich, and Abdullozoda Said Murtazo. "Study of the content of fluorides in atmospheric air in Bokhtar region and Tursunzade city of Tajikistan." Journal of Bashir Institute of Health Sciences 2, no. 1 (2021): 11–18. http://dx.doi.org/10.53576/bashir.02.01.0026.

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Background: The emission and presence of air pollutants such as fluorides has over burdenized the public healthcare issues. The current study aimed to determine the content of fluorides in atmospheric air in Bokhtar region and Tursunzade city of Tajikistan. Methods: Based on the direction of wind, two zones were selected in the current study: experimental and control. In the first (experimental) zone, those areas were selected where the western, northern and northeastern directions of wind was significant. Dzhura Rakhmonov was assigned to the control zone with the shortest time for the eastwar

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9

Varner, Julie A., William J. Horvath, Carmen W. Huie, H. R. Naslund, and Robert L. Isaacson. "Chronic aluminum fluoride administration." Behavioral and Neural Biology 61, no. 3 (1994): 233–41. http://dx.doi.org/10.1016/s0163-1047(05)80006-8.

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10

Dolganov, Alexander V., Vadim D. Revin, Sergey G. Kostryukov, Viktor V. Revin, and Guang Yang. "Kinetic and Thermodynamic Characteristics of Fluoride Ions Adsorption from Solution onto the Aluminum Oxide Nanolayer of a Bacterial Cellulose-Based Composite Material." Polymers 13, no. 19 (2021): 3421. http://dx.doi.org/10.3390/polym13193421.

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The described research examined the adsorption of fluoride ions from solution immobilized onto an aluminum oxide-coated bacterial cellulose-based composite material in which aluminum oxide had been deposited using ALD technology. The kinetic regularities of the adsorption of fluoride ions from the solution as well as the mechanism of the processes were analyzed. The established equations show that the dynamics of adsorption correspond to first-order kinetics. Based on the Langmuir adsorption isotherms, we defined the adsorption equilibrium constants, parameter maximum adsorption, and change in

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11

Nemchinova, N. V., A. E. Barauskas, A. A. Tyutrin, and V. S. Vologin. "Processing of finely dispersed technogenic raw materials for aluminum production in order to extract valuable components." Izvestiya Vuzov. Tsvetnaya Metallurgiya (Universities' Proceedings Non-Ferrous Metallurgy) 27, no. 5 (2021): 38–49. http://dx.doi.org/10.17073/0021-3438-2021-5-38-49.

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The paper provides the results of experiments on the hydrometallurgical processing of finely dispersed technogenic raw materials for primary aluminum production in Soderberg cells (case study of the Irkutsk Aluminum Smelter) – aged sludge. The components of this sludge are dust from electrostatic precipitators (79.7 %), wet gas cleaning sludge (4.4 %) and coal froth flotation tailings (15.8 %). According to the grain-size analysis carried out, aged sludge sample particles have a size of –50 μm. According to the chemical composition analysis of the sludge sample, main components in it are carbo

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12

Kazanski, Barbara, Alexei Kossenko, Alex Lugovskoy, and Michael Zinigrad. "Fluoride Influence on the Properties of Oxide Layer Produced by Plasma Electrolytic Oxidation." Defect and Diffusion Forum 326-328 (April 2012): 498–503. http://dx.doi.org/10.4028/www.scientific.net/ddf.326-328.498.

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Plasma Electrolytic Oxidation (PEO) is a powerful technique allowing hardening and corrosion protection of valve metals due to formation of an oxide layer on the metal surface. The addition of fluoride ions to the alkaline electrolyte for the PEO processing of aluminum and magnesium alloys produces significant changes in the structure and properties of the coating [1-, however the mechanism of these changes is not clear. A study of the influence of the fluoride concentration on the composition, structure and morphology of thin (to 20 µm) PEO layers was performed. The oxide layer thickness on a

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13

Shayakhmetov, Salim F., A. V. Merinov, L. G. Lisetskaya, and N. M. Meshchakova. "BIOMONITORING OF THE CONTENT OF FLUORINE IN WORKERS IN THE MODERN ALUMINUM MANUFACTURE." Hygiene and sanitation 98, no. 10 (2019): 1062–67. http://dx.doi.org/10.18821/0016-9900-2019-98-10-1062-1067.

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Introduction. Workers of modern aluminum plants experience long-term exposure to a complex of toxic chemical compounds, components of which are fluoride compounds. They have a chronic toxic effect on an organism. In this regard, it becomes relevant to conduct biomonitoring studies to assess the level and dynamics of excretion of fluorine in exposed workers of modern aluminum production. Material and methods. A total of 186 workers in primary aluminum production, individuals at increased professional risk (42 people) and 77 patients with established occupational diseases were examined. Results.

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14

Shepard, Michael R., Bradley T. Jones, and David J. Butcher. "High-Resolution, Time-Resolved Spectra of Indium and Aluminum Atoms, Fluorides, Chlorides, and Oxides in a Graphite Tube Furnace." Applied Spectroscopy 52, no. 3 (1998): 430–37. http://dx.doi.org/10.1366/0003702981943635.

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High-resolution (4.4 pm), time-resolved (every 0.2 s during the atomization step) spectra of indium and aluminum atoms and molecules (InF, InCl, AlF, AlCl) were obtained in a graphite tube furnace with the use of a xenon arc lamp for excitation and a linear photodiode array detector. The spectra of indium fluoride, aluminum fluoride, and aluminum chloride were shown to be composed of several vibrational bands making up the (0, 0) sequence, while the indium chloride spectrum included vibrational progressions as well. For indium fuoride and aluminum fluoride, the diatomic molecule appeared tempo

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15

Te Brake, Roy, D. Martin Knotter, and Miranda Leenders–van Hees. "Determination of Fluoride Concentration on Aluminum Bond Pads Using Liquid Phase Extraction Ion Chromatography." Solid State Phenomena 195 (December 2012): 139–42. http://dx.doi.org/10.4028/www.scientific.net/ssp.195.139.

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Fluoride contamination on aluminum bond pads is a major issue in the reliability of semiconductor products [. Fluoride contamination can lead to bond pad corrosion, bond pad staining [, (see Figure 1) and bad wire bond quality [. In the ITRS a maximum allowable fluoride concentration in the aluminum wafer process environment is listed [. However, it is not only the air concentration that determines the criticality, but also the exposure time, humidity, and if there is a fluoride source available that can maintain an increased air concentration of fluoride. Therefore, it is more valuable to kno

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16

Nalagoni, Chandra Shakar Reddy, and Pratap Reddy Karnati. "Original article. Protective effect of resveratrol against neuronal damage through oxidative stress in cerebral hemisphere of aluminum and fluoride treated rats." Interdisciplinary Toxicology 9, no. 2 (2016): 78–82. http://dx.doi.org/10.1515/intox-2016-0009.

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Abstract Aluminum has no defined biological function and it is potentially involved in the pathogenesis of neurodegenerative disorders. Furthermore, the presence of fluoride causes more aluminum to accumulate in the brain, resulting in increased neuronal damage. In recent years, resveratrol through its ameliorative effects was found to be a neuroprotectant. This study reports the protective effects of resveratrol on combined aluminum and fluoride induced neuronal damage through oxidative stress in rats. Protective effects of resveratrol (30 mg/kg b.w) on markers of oxidative stress were determ

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17

Volobaev, Valentin P., Ekaterina S. Lytkina, Ekaterina A. Schetnikova, et al. "The frequency of chromosomal aberrations in persons chronically in contact with the factor of industrial exposure of the aluminum plant." Ecological genetics 19, no. 1 (2021): 59–66. http://dx.doi.org/10.17816/ecogen20645.

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Background: Chronic excess human exposure to fluorides is an underestimated problem. There is information that fluorides are capable of exerting a genotoxic effect in vitro and in vivo. The data obtained on human populations are limited and contradictory. More research is needed. Materials and methods: The material for the study was peripheral venous blood taken from residents of the city of Novokuznetsk. The material was selected in four groups: workers of the Novokuznetsk Aluminum Plant (NkAZ) with fluorosis, NkAZ workers without pathology, residents of the area adjacent to NkAZ, resid

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18

Hayacibara, Mitsue Fujimaki, Celso Silva Queiroz, Cínthia Pereira Machado Tabchoury, and Jaime Aparecido Cury. "Fluoride and aluminum in teas and tea-based beverages." Revista de Saúde Pública 38, no. 1 (2004): 100–105. http://dx.doi.org/10.1590/s0034-89102004000100014.

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OBJECTIVE: To evaluate fluoride and aluminum concentration in herbal, black, ready-to-drink, and imported teas available in Brazil considering the risks fluoride and aluminum pose to oral and general health, respectively. METHODS: One-hundred and seventy-seven samples of herbal and black tea, 11 types of imported tea and 21 samples of ready-to-drink tea were divided into four groups: I-herbal tea; II-Brazilian black tea (Camellia sinensis); III-imported tea (Camellia sinensis); IV-ready-to-drink tea-based beverages. Fluoride and aluminum were analyzed using ion-selective electrode and atomic a

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19

Elrashidi, M. A., and W. L. Lindsay. "Solubility of Aluminum Fluoride, Fluorite, and Fluorophlogopite Minerals in Soils." Soil Science Society of America Journal 50, no. 3 (1986): 594–98. http://dx.doi.org/10.2136/sssaj1986.03615995005000030010x.

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20

Kratochvil, Jan, Marek Necas, Vaclav Petricek, and Jiri Pinkas. "Cubic Octanuclear Aluminum Fluoride Phosphonate†." Inorganic Chemistry 45, no. 17 (2006): 6562–64. http://dx.doi.org/10.1021/ic060344b.

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21

McBride, William J., Robert M. Sharkey, and David M. Goldenberg. "Radiofluorination using aluminum-fluoride (Al18F)." EJNMMI Research 3, no. 1 (2013): 36. http://dx.doi.org/10.1186/2191-219x-3-36.

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22

Krahl, Thoralf, and Erhard Kemnitz. "Amorphous Aluminum Bromide Fluoride (ABF)." Angewandte Chemie International Edition 43, no. 48 (2004): 6653–56. http://dx.doi.org/10.1002/anie.200460491.

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23

Gasque⁎, K., A. F. Soares, T. A. Frascarelli, et al. "Aluminum fluoride modulates preosteoblast viability." Bone 48 (May 2011): S114. http://dx.doi.org/10.1016/j.bone.2011.03.198.

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24

Reddy Nallagouni, Chandra Shakar, Nageshwar Mesram, and Pratap Reddy Karnati. "AMELIORATION OF ALUMINUM- AND FLUORIDE-INDUCED BEHAVIORAL ALTERATIONS THROUGH RESVERATROL IN RATS." Asian Journal of Pharmaceutical and Clinical Research 11, no. 1 (2018): 289. http://dx.doi.org/10.22159/ajpcr.2017.v11i1.21620.

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Objective: The objective of the study was to investigate the ameliorative effects of resveratrol against aluminum- and fluoride-altered neurobehavioral activities.Methods: Aluminum chloride (100 mg/kg body weight [bw])+sodium fluoride (10 mg/kg bw), aluminum chloride (100 mg/kg bw) + sodium fluoride (10 mg/kg bw) + resveratrol (30 mg/kg bw), and resveratrol (30 mg/kg bw) alone were given orally to II, III, and IV groups, respectively, and Group-I was served as control for 8 weeks. The bw, brain weight, grip strength, learning ability, and behavioral activities were assayed.Results: The results

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Reddy Nallagouni, Chandra Shakar, Nageshwar Mesram, and Pratap Reddy Karnati. "AMELIORATION OF ALUMINUM- AND FLUORIDE-INDUCED BEHAVIORAL ALTERATIONS THROUGH RESVERATROL IN RATS." Asian Journal of Pharmaceutical and Clinical Research 11, no. 1 (2018): 289. http://dx.doi.org/10.22159/ajpcr.2018.v11i1.21620.

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Objective: The objective of the study was to investigate the ameliorative effects of resveratrol against aluminum- and fluoride-altered neurobehavioral activities.Methods: Aluminum chloride (100 mg/kg body weight [bw])+sodium fluoride (10 mg/kg bw), aluminum chloride (100 mg/kg bw) + sodium fluoride (10 mg/kg bw) + resveratrol (30 mg/kg bw), and resveratrol (30 mg/kg bw) alone were given orally to II, III, and IV groups, respectively, and Group-I was served as control for 8 weeks. The bw, brain weight, grip strength, learning ability, and behavioral activities were assayed.Results: The results

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26

Pang, Chee Yung, Gulnaziya Issabayeva, Chen Hwa Low, and Mee Chu Wong. "Adsorption of fluoride from industrial wastewater using polymer adsorbents: a review." IOP Conference Series: Earth and Environmental Science 945, no. 1 (2021): 012068. http://dx.doi.org/10.1088/1755-1315/945/1/012068.

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Abstract Fluoride pollution in ground and surface water originates from naturally occurring reactions and industrial activities such as the disposal of industrial wastewater. Amongst different fluoride removal technologies including chemical precipitation, membrane filtration, ion exchange processes, and electrodialysis, adsorption is an attractive method for fluoride removal from wastewater due to its low operational cost, simplicity, and good sustainability. Various adsorbents are used for fluoride removal including, metal oxides and hydroxide, carbonaceous adsorbents, zeolite, polysaccharid

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27

Li, Jin Ping, Jin Hua Gan, and Ying Ming Chen. "Acid Leaching Aluminum from Boiler Slag - Effect of Fluoride Additives on the Aluminum Dissolution." Applied Mechanics and Materials 71-78 (July 2011): 688–93. http://dx.doi.org/10.4028/www.scientific.net/amm.71-78.688.

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The objectives of this work are to study the influence of fluoride additives on aluminum recycling from the boiler slag. The effect of adding different amounts of fluoride, such as NaF, NH4F, KF and CaF2, was investigated. An elemental analysis of aqueous solutions leached by sulfuric acid and hydrochloric acid was determined by EDTA-Na2-ZnCl2 titration method. The components and microstructures of the samples were examined by means of XRF, XRD and SEM. Acid strength, leaching time, solid/liquid ratios and different additives were conducted in this experiment. The fluoride additives have a sig

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28

Fellner, Pavel, and Alexander Silny. "Viscosity of Sodium Cryolite + Aluminum Fluoride + Potassium Fluoride Melts." Journal of Chemical & Engineering Data 40, no. 5 (1995): 1076–78. http://dx.doi.org/10.1021/je00021a010.

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29

Zhang, Chenhu, Jiande Gao, Yuehua Hu, Wei Sun, Fei Lv, and Zhenjun Liu. "Clean and Feasible Utilization of High Silica Fluorspar Powder via Reverse Flotation: A Pilot Study." Minerals 11, no. 6 (2021): 555. http://dx.doi.org/10.3390/min11060555.

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Fluorite is a nonrenewable mineral used to produce anhydrous hydrofluoric acid (AHF) and aluminum fluoride. The demand for low-grade fluorite powder (CaF2 < 97%) has fallen sharply owing to the current market conditions. Therefore, a large number of fluorite concentrates have been improved by acid leaching. While this approach can efficiently remove CaCO3 from fluorite concentrate, the SiO2 content, which significantly affects AHF consumption during the production of HF or aluminum fluoride, cannot be completely removed. To solve this problem, in this study, we used reverse flotation before

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30

Khuê, Võ Anh. "RESEARCH ON ELECTROCHEMICAL METHODS TO REMOVE FLUORIDE FROM WATER." Hue University Journal of Science: Natural Science 126, no. 1C (2017): 85. http://dx.doi.org/10.26459/hueuni-jns.v126i1c.4623.

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<p>The use of electrochemical methods such as micro-electrolysis, electrocoagulation, and micro-electrolysis combined with electrocoagulation to remove fluoride from water were studied in this paper. The results indicated that the micro-electrolysis (using Fe/C particles) and the electrocoagulation (using iron electrodes) are not suitable for removal of fluoride from water solution. The electrocoagulation method with aluminum electrodes for removal efficiency of fluoride is very good. But it is not as good as the micro-electrolysis (using Fe/C particles) combined with the electrocoagulat

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31

Schwarz, Marián, Jozef Salva, Miroslav Vanek, Oqil Rasulov, and Ivana Darmová. "Fluoride Exposure and the Effect of Tobacco Smoking on Urinary Fluoride Levels in Primary Aluminum Workers." Applied Sciences 11, no. 1 (2020): 156. http://dx.doi.org/10.3390/app11010156.

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Workers in primary aluminum smelter are exposed to fluoride from cryolite (Na3AlF6) used in the electrolysis process. Post-shift urinary fluoride is considered as an appropriate index for examination of fluoride exposure. The objective of the study was to investigate the exposure to fluoride in primary aluminum smelter in Žiar nad Hronom (Slovakia) during three consecutive two-year periods between 2012 and 2018. The relationship between fluoride exposure in the occupational environment, tobacco smoking, and pre- and post-shift urinary fluoride concentration was investigated in 76 male workers

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Hayacibara, M. F., O. P. S. Rosa, H. Koo, S. A. Torres, B. Costa, and J. A. Cury. "Effects of Fluoride and Aluminum from Ionomeric Materials on S. mutans Biofilm." Journal of Dental Research 82, no. 4 (2003): 267–71. http://dx.doi.org/10.1177/154405910308200405.

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Ionomeric materials release different proportions of fluoride and aluminum. Their simultaneous effect on the acidogenicity and composition of S. mutans biofilm is unknown. Six cylindrical specimens of each material (Ketac-fil, Vitremer, Fuji-Ortho LC, F-2000, and Z-100) were incubated with S. mutans GS-5 in culture media containing 5% sucrose (w/v). The media were changed daily for seven days, during which the pH and concentrations of fluoride and aluminum were determined. Furthermore, the concentrations of these ions and insoluble polysaccharide were determined in the biofilm formed at the en

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Parkhurst, Benjamin R., Harold L. Bergman, Joseph Fernandez, David D. Gulley, J. Russell Hockett, and Deborah A. Sanchez. "Inorganic Monomeric Aluminum and pH as Predictors of Acidic Water Toxicity to Brook Trout (Salvelinus fontinalis)." Canadian Journal of Fisheries and Aquatic Sciences 47, no. 8 (1990): 1631–40. http://dx.doi.org/10.1139/f90-185.

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Inorganic monomeric aluminum concentrations were found to be the primary determinant of survival of brook trout feeding fry exposed for 21 d to various combinations of total aluminum and pH, plus several concentrations of fluoride or DOC, or several temperatures. Total aluminum concentrations in the 4 × 4 × 4 experimental matrices ranged from 3–1276 ppb, pH from 4.4–6.7, fluoride from <10–328 ppb, DOC from <1–9.2 ppm, and temperatures from 5.4–12.0 °C. Stepwise logistic regression was used to determine the significance of the effect of each water quality variable on survival. Inorganic m

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34

Калугина (Kalugina), Ольга (Ol'ga) Владимировна (Vladimirovna), Татьяна (Tat'yana) Алексеевна (Alekseevna) Михайлова (Mikhailova), and Ольга (Ol'ga) Владимировна (Vladimirovna) Шергина (Shergina). "USE HERBAL PLANTS (CHAMAENERION ANGUSTIFOLIUM AND TANACETUM VULGARE) FOR MONITORING OF TERRITORIES POLLUTED BY FLUORINE-CONTAINING EMISSIONS." chemistry of plant raw material, no. 1 (March 6, 2019): 309–16. http://dx.doi.org/10.14258/jcprm.2019014097.

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Specific features of fluoride accumulation by two species of herbaceous plants – Chamerion angustifolium (L.) Holub and Tanacetum vulgare L., were found at different distances from the aluminum smelter located in the Baikal region. The highest fluorine content was recorded at the distance of 3 km from the smelter: 433 mg / kg of dry weight in C. angustifolium, 306 mg / kg in T. vulgare. According to the level of accumulation of fluorine, the organs of C. angustifolium were arranged in the following order (as the concentration decreases): leaves> roots> stems ≥ flowers, for T. vulgare the

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35

Xiao, Wei, and Ying Wang. "Corrosion resistance of aluminum fluoride modified 6061 aluminum alloy." Materials Letters 298 (September 2021): 129932. http://dx.doi.org/10.1016/j.matlet.2021.129932.

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36

Li, De Gui, Fang Shu Gan, Ming Qin, Shu Hui Liu, Hui Xiang Ouyang, and Bin He. "The Preparation and Properties of SiO₂-Al₂O₃ Composite Fluoride Removal Agent." Materials Science Forum 809-810 (December 2014): 471–76. http://dx.doi.org/10.4028/www.scientific.net/msf.809-810.471.

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The fluoride removal agents of SiO2-Al2O3spherical particles were prepared using aluminum powder and sodium silicate as the main raw material by sol-gel method. The samples were characterized by XRD analysis method, and several influencing factors of fluoride removal performances had been studied, such as the content of SiO2, calcinations temperature, calcinations time, pH values, etc. The results showed that the adsorption capacity of SiO2-Al2O3increased with the content of SiO2increasing in the range of 0 to 12%. The best calcination temperature is 500 °C, and the best calcination time is 1

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37

Jo, Hyunbin, Soomin Lee, Donghyun Kim, and Junghoon Lee. "Low Temperature Sealing of Anodized Aluminum Alloy for Enhancing Corrosion Resistance." Materials 13, no. 21 (2020): 4904. http://dx.doi.org/10.3390/ma13214904.

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Sealing as a post treatment of anodized aluminum is required to enhance the corrosion resistance by filling nanopores, which allow the penetration of corrosive media toward the base aluminum. We designed a mixed sealing solution with nickel acetate and ammonium fluoride by modifying traditional nickel fluoride cold sealing. The concentration of mixed sealing solution affected the reaction rate of sealing and corrosion current density of anodized aluminum alloy. The higher concentration of mixed sealing solution improved the sealing rate, which was represented by a decrease of corrosion current

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Pham, Duong Van, Diep Van Nguyen, Tu Xuan Nguyen, et al. "Studying the Nonlinear Optical Properties of Fluoride Laser Host Materials in the Ultraviolet Wavelength Region." Applied Sciences 12, no. 1 (2021): 372. http://dx.doi.org/10.3390/app12010372.

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Fluoride host materials doped with trivalent cerium ions have previously been demonstrated as successful laser materials in the ultraviolet wavelength region. However, the nonlinear optical properties of the fluoride hosts in this wavelength region have not been investigated yet, although nonlinearity could result in undesirable effects such as self-focusing and pulse distortion when these fluoride materials are used as gain media in high-power, ultrashort pulse laser oscillator and amplifier systems. In this work, the nonlinear refractive index of lithium calcium aluminum fluoride (LiCaAlF6),

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Gong, Wen-Xin, Jiu-Hui Qu, Rui-Ping Liu, and Hua-Chun Lan. "Effect of aluminum fluoride complexation on fluoride removal by coagulation." Colloids and Surfaces A: Physicochemical and Engineering Aspects 395 (February 2012): 88–93. http://dx.doi.org/10.1016/j.colsurfa.2011.12.010.

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Zemlyanova, M. A., N. V. Zaitseva, Yu V. Koldibekova, A. N. Perezhogin, M. S. Stepankov, and N. I. Bulatova. "On detecting omic-markers of negative effects associated with combined aerogenic exposure to aluminum and fluoride compounds." Health Risk Analysis, no. 1 (March 2022): 123–32. http://dx.doi.org/10.21668/health.risk/2022.1.13.

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At present, it is relevant to study simultaneous combined impacts exerted by chemicals on developing adverse health effects. It is also becoming vital to search for molecular indicators of adverse effects with the altered expression level. This alteration makes it possible to determine peculiarities of molecular and cellular pathogenesis mechanisms regarding a number of non-communicable diseases under exposure to a mixture of chemicals. Our research goal was to comparatively analyze and identify identical omic-markers of adverse effects under experimental and actual combined aerogenic exposure

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Wang, Xiu Hui, Jia Tai Dong, Ye Cao, Guo Quan Zhao, Hong Gao, and Jin Long Yang. "Influences of Process Parameters on the Forming of YAG Phase." Applied Mechanics and Materials 164 (April 2012): 65–68. http://dx.doi.org/10.4028/www.scientific.net/amm.164.65.

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Submicron single-phase yttrium aluminum garnet (Y3Al5O12, YAG) powders were fabricated by solid-state reactive heat-treating a mixture of pyrolysis product, heat-treating isopropyl aluminum at 500°C, and yttria (Y2O3) powders. The powders were mixed by ball milling for 2~3 h doped with 5wt% aluminium fluoride (AlF3), and then heat-treated at 1200°C for 2~5 h. Characterized by XRD, mixing the powders by ball milling and doped with AlF3 lowered the heat-treating temperature and made the forming of YAG phase be single.

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Valluri, Siva Kumar, Ian Monk, Mirko Schoenitz, and Edward L. Dreizin. "FUEL-RICH ALUMINUM-METAL FLUORIDE THERMITES." International Journal of Energetic Materials and Chemical Propulsion 16, no. 1 (2017): 81–101. http://dx.doi.org/10.1615/intjenergeticmaterialschemprop.2018021842.

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Spencer, H., and L. Kramer. "Osteoporosis: calcium, fluoride, and aluminum interactions." Journal of the American College of Nutrition 4, no. 1 (1985): 121–28. http://dx.doi.org/10.1080/07315724.1985.10720071.

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Delong, Xu, Luo Yongqin, Ji Ying, Zhou Longbao, and Gai Wenkui. "Thermal behavior of aluminum fluoride trihydrate." Thermochimica Acta 352-353 (July 2000): 47–52. http://dx.doi.org/10.1016/s0040-6031(99)00436-0.

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Phan, B. C., and E. Reisler. "Aluminum fluoride interactions with troponin C." Biophysical Journal 65, no. 6 (1993): 2511–16. http://dx.doi.org/10.1016/s0006-3495(93)81305-5.

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Wasana, Hewa M. S., Gamage D. R. K. Perera, Panduka S. De Gunawardena, and Jayasundera Bandara. "The impact of aluminum, fluoride, and aluminum–fluoride complexes in drinking water on chronic kidney disease." Environmental Science and Pollution Research 22, no. 14 (2015): 11001–9. http://dx.doi.org/10.1007/s11356-015-4324-y.

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Zaitseva, Yulia N. "Solid Solutions in Aluminum Electrolytes with the Participation of LiF." Journal of Siberian Federal University. Chemistry 15, no. 1 (2022): 22–31. http://dx.doi.org/10.17516/1998-2836-0268.

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The paper presents the investigation of the solid solutions formation in the fluoride system Na5Al3F14-Na3AlF6-K3AlF6 with the addition of LiF. Two local regions were under consideration. The first case concerns the possibility of potassium and sodium cations replacing with lithium in the elpasolite (K2NaAlF6) when LiF is added to the electrolyte. In the second, the effect of lithium fluoride on the chiolite (Na5Al3F14) was studied. The investigation was motivated by the need to control the composition of the electrolyte during the electrolytic production of aluminum. The electrolyte samples w

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Wei, Fang, Changyan Cao, Peipei Huang, and Weiguo Song. "A new ion exchange adsorption mechanism between carbonate groups and fluoride ions of basic aluminum carbonate nanospheres." RSC Advances 5, no. 17 (2015): 13256–60. http://dx.doi.org/10.1039/c4ra11018h.

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Vladimirtseva, E. L., L. V. Sharnina, and A. A. Mironova. "Using of fluorinated aluminum silicate in the process coloring of textile materials with pigments." Proceedings of the Voronezh State University of Engineering Technologies 80, no. 2 (2018): 307–12. http://dx.doi.org/10.20914/2310-1202-2018-2-307-312.

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The aim of the work is to search for new drugs and technologies for processing textile materials to achieve high quality products with minimum costs and practical absence of harmful industrial emissions. Studies on the use of insoluble aluminum silicate in practical application in the textile industryare conducted at the Ivanovo State University of Chemical Technology. The experience of using silicates for modifying the properties of wool fibre and purification of exhaust dyeing solutions from direct, active and acidic dyes has been accumulated. The article considers the possibility of using f

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Takeda, Osamu, Konosuke Takagi, Takeshi Handa, Kiwamu Katagiri, Hongmin Zhu, and Yuzuru Sato. "Production of aluminum nitride from aluminum metal using molten fluoride." Journal of Materials Research 30, no. 5 (2015): 635–44. http://dx.doi.org/10.1557/jmr.2015.22.

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