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Journal articles on the topic 'Manganese phosphated'

Author: Grafiati

Published: 4 June 2021

Last updated: 19 February 2022

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1

Hu, J., Liang Fang, J. H. Mao, L. B. Xie, J. He, and P. Zhang. "Study on the Growth and Corrosion Resistance of Manganese Phosphate Coatings on 25Cr2Ni4WA Alloy Steel." Solid State Phenomena 185 (February 2012): 73–76. http://dx.doi.org/10.4028/www.scientific.net/ssp.185.73.

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The growth process and corrosion resistance of the phosphate coating on 25Cr2Ni4WA alloy steel fabricated by a high temperature manganese phosphating were investigated by XRD, SEM, EDS and electrochemical polarization method, respectively. It is found that the phosphate coating consists of lots of close packed lump crystallites and mainly composed of (Mn,Fe)5H2(PO4)4·4H2O. The coating weight increased rapidly, and then the increase rate slowed down when phosphating process was carried for about 5 min. The corrosion potentials of the phosphated steel shifted positively about 250 mV than the bar

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2

Pastorek, F., K. Borko, S. Dundeková, S. Fintová, and B. Hadzima. "Electrochemical corrosion characteristics of phosphated S355J2 steel in sulfate environment." Koroze a ochrana materialu 60, no. 4 (2016): 107–13. http://dx.doi.org/10.1515/kom-2016-0017.

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Abstract Large number of mechanical and chemical surface pretreatment techniques is actually used on steels in industrial practice. Choosing the right combination of these technologies is one of the most important tasks for many applications. The purpose of this research was to evaluate the influence of selected mechanical surface preparation methods (grinding, sandblasting) on the quality and electrochemical corrosion characteristics of S355J2 steel before and after the final chemical surface treatment by the technology of manganese phosphating. The surface morphology of the formed phosphate

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3

Fochesatto, Nicolás S., Camila Müller, Nicolás A. Zabala, Pablo A. Castro, and Walter R. Tuckart. "Effect of crystal size on the tribological behavior of manganese phosphate coatings under lubricated sliding." Proceedings of the Institution of Mechanical Engineers, Part J: Journal of Engineering Tribology 232, no. 10 (2017): 1285–92. http://dx.doi.org/10.1177/1350650117749485.

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In this study, the wear and friction behavior of manganese phosphate coatings with different crystal sizes were investigated. Crystal size was controlled modifying the chemical composition of the phosphating bath, particularly the concentration of the activator which modifies the number of nuclei for crystal growth. Activator concentration range used for this work varied from 0 to 0.7 g/L, and crystal size was measured using image analysis software on scanning electron microscopy photographs. Available volume for lubricant retention was determined measuring the phosphated surface with a 3D opt

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4

Zhang, Tianran, Shengliang Zhang, Sheng Cao, Qiaofeng Yao, and Jim Yang Lee. "A Self-Templating Redox-Mediated Synthesis of Hollow Phosphated Manganese Oxide Nanospheres as Noble-Metal-like Oxygen Electrocatalysts." Chemistry of Materials 30, no. 22 (2018): 8270–79. http://dx.doi.org/10.1021/acs.chemmater.8b03681.

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5

Kiechle, Arno. "Schwarzfleckigkeit von manganphosphatierten Sintermetallteilen nach kurzer Lagerzeit / Black Staining of Manganese-Phosphated Sinter Metallic Components after Short Periods of Storage." Practical Metallography 26, no. 9 (1989): 482–86. http://dx.doi.org/10.1515/pm-1989-260907.

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6

Fernandes, Kirlene Salgado, Evandro de Azevedo Alvarenga, Paulo Roberto Gomes Brandão, and Vanessa de Freitas Cunha Lins. "Infrared-spectroscopy analysis of zinc phosphate and nickel and manganese modified zinc phosphate coatings on electrogalvanized steel." Rem: Revista Escola de Minas 64, no. 1 (2011): 45–49. http://dx.doi.org/10.1590/s0370-44672011000100005.

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Hopeite-type phosphate coatings in which zinc is partially replaced by other metals like manganese and nickel are of great interest for the automotive and home appliance industries. Such industries use phosphate conversion coatings on galvanized steels in association with cataphoretic electropainting. Zinc phosphates modified with manganese and nickel are isomorphic with the hopeite, and the phase identification using X-ray diffraction is difficult. In this paper, the phosphate coatings are identified using the Fourier transform infrared spectroscopy (FTIR).

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7

Maughan, William P., and Stewart Shuman. "Distinct Contributions of Enzymic Functional Groups to the 2′,3′-Cyclic Phosphodiesterase, 3′-Phosphate Guanylylation, and 3′-ppG/5′-OH Ligation Steps of the Escherichia coli RtcB Nucleic Acid Splicing Pathway." Journal of Bacteriology 198, no. 8 (2016): 1294–304. http://dx.doi.org/10.1128/jb.00913-15.

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ABSTRACTEscherichia coliRtcB is a founding member of a family of manganese-dependent RNA repair enzymes that join RNA 2′,3′-cyclic phosphate (RNA>p) or RNA 3′-phosphate (RNAp) ends to 5′-OH RNA (HORNA) ends in a multistep pathway whereby RtcB (i) hydrolyzes RNA>p to RNAp, (ii) transfers GMP from GTP to RNAp to form to RNAppG, and (iii) directs the attack of 5′-OH on RNAppG to form a 3′-5′ phosphodiester splice junction. The crystal structure of the homologous archaeal RtcB enzyme revealed an active site with two closely spaced manganese ions, Mn1 and Mn2, that interact with the GTP phosp

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8

Rokosz, Krzysztof, Grzegorz Solecki, Gregor Mori, Rainer Fluch, Marianne Kapp, and Jouko Lahtinen. "Effect of Polishing on Electrochemical Behavior and Passive Layer Composition of Different Stainless Steels." Materials 13, no. 15 (2020): 3402. http://dx.doi.org/10.3390/ma13153402.

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In the present paper, the effect of different polishing methods (mechanical and electrochemical) on passive layer chemistry and the corrosion behavior of stainless steels is investigated. It was found that CrNiMo austenites have a substantially better corrosion behavior than CrMnN ones. The nickel is enriched underneath the passive layer, while manganese tends to be enriched in the passive layer. It was also noted that immersion of manganese into an electrolyte preferentially causes its dissolution. It was found that high amounts of chromium (27.4%), molybdenum (3.3%), nickel (29.4%), with the

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9

Kim, Ho-Young, Young-Tai Noh, Jun-Hyuck Jeon, Young-Min Byoun, Ho-Sang Kang, and Soong-Keun Hyun. "Effect of Surface Roughness on Crystal Size of Manganese Phosphate Coating of Carbon Steel." Journal of Nanoscience and Nanotechnology 20, no. 7 (2020): 4312–17. http://dx.doi.org/10.1166/jnn.2020.17551.

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In this study, the correlation between surface roughness of carbon steel and crystal size of manganese phosphate coatings has been investigated. The microstructure and surface morphology of the coatings were analyzed by SEM, XRD. The surface roughness test was carried out in order to calculate Ra value by atomic force microscopy (AFM). Also, the tribology property of manganese phosphate coating was tested by ball-on disk. XRD showed that (Mn,Fe)5H2(PO4)4·4H2O in manganese phosphate coating layer was formed by the chemical reaction between manganese phosphate and elements in carbon steel. Also,

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10

Frost, Ray L., Wayde N. Martens, Theo Kloprogge, and Peter A. Williams. "Vibrational spectroscopy of the basic manganese and ferric phosphate minerals: strunzite, ferrostrunzite and ferristrunzite." Neues Jahrbuch für Mineralogie - Monatshefte 2002, no. 11 (2002): 481–96. http://dx.doi.org/10.1127/0028-3649/2002/2002-0481.

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11

Min, Kyong-Sub. "Effect of Sodium Nitrite Addition on the Corrosion Resistance of Manganese Phosphate Coating." Korean Society of Technical Education and Training 25, no. 3 (2020): 43–50. http://dx.doi.org/10.29279/kostet.2020.25.3.43.

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This paper describes an effective metal finishing technology for obtaining manganese phosphate coatings on steel. In this study, the effect of sodium nitrite addition on the corrosion resistance of a manganese phosphate coating was investigated. The microstructure, surface morphology, and chemical composition were analyzed by FE-SEM, EDS, and XRD, while the cross-sectional images and thickness of the coating layer were analyzed by FIB. According to the results of the EDS analysis, the main components of the manganese phosphate coating were C, O, P, Mn, and Fe. The XRD results showed that (Mn,F

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12

Long, Li Juan, Wen Tao He, Min Min Zhang, et al. "Preparation, Characterization of Substituted Aromatic Heterocyclic Phosphate Salts and the Application in Isotactic Polypropylene." Advanced Materials Research 652-654 (January 2013): 463–69. http://dx.doi.org/10.4028/www.scientific.net/amr.652-654.463.

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Substituted aromatic heterocyclic phosphate salts were synthesized by a new method and characterized by fourier transform infrared spectroscopy(FT-IR) and thermogravimetry (TG) method. The characteristic absorption bands ascribed to the stretching vibration of P=O group and P-O group verify the successful synthesis of substituted aromatic heterocyclic phosphate salts. When compared with sodium salt, the thermal stability of other salts declines. Their nucleation effects on isotactic polypropylene(iPP) were investigated with differential scanning calorimeter(DSC) and influences on mechanical, o

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13

Koroleva, L. F., L. P. Larionov, and M. N. Dobrinskaya. "Implants and bone technology with the use of doped calcium carbonate phosphates." Diagnostics, Resource and Mechanics of materials and structures, no. 6 (December 2020): 54–61. http://dx.doi.org/10.17804/2410-9908.2020.6.054-061.

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The possibility of obtaining an alloplastic biomaterial for the implant based on doped calcium carbonate-phosphates and polycaprolactone is studied. Nanocrystalline calcium carbonate-phosphate doped with cations of iron, magnesium, potassium, zinc, manganese, and silicon intended for bone repair by drug delivery is investigated. Histological studies have revealed that samples after 60 days in a living organism are covered by a connective tissue capsule. The formation of blood vessels and nerve endings is observed in the capsule.

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14

Ilaiyavel, S., A. Venkatesan, N. Nallusamy, and T. Sornakumar. "Wear Characteristics of Manganese Phosphate Coating with Oil Lubricant." Applied Mechanics and Materials 110-116 (October 2011): 616–20. http://dx.doi.org/10.4028/www.scientific.net/amm.110-116.616.

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Manganese Phosphate is an Industrial coating used to reduce friction and improve lubrication in sliding components. In this study, the tribology behavior of uncoated, manganese phosphate coated, Manganese Phosphate with oil lubricant AISI D2 steels was investigated. The Surface morphology of manganese phosphate coatings was examined by scanning electron microscope (SEM) and Energy dispersive X-ray Spectroscopy (EDX) .The wear tests were performed in a pin on disk apparatus as per ASTM G-99 Standard. The wear resistance of the coated steel were evaluated through pin on disc test using a sliding

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15

Ilaiyavel, S., S. Jegannathan, K. Ravichandran, and A. Venkatesan. "Prediction of Wear Coefficient of Manganese Phosphate Coated AISI D2 Steel with Oil Lubricant." Applied Mechanics and Materials 315 (April 2013): 117–20. http://dx.doi.org/10.4028/www.scientific.net/amm.315.117.

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Today, in the area of material design conversion coatings play an important role in applications where temperature, corrosion, oxidation and wear come in to play. Manganese Phosphate is used to reduce friction and improve lubrication in sliding components. In this study, Prediction of wear coefficient of uncoated, Manganese Phosphate coated, Manganese Phosphate with oil lubricant AISI D2 steels was investigated using Archards equation. The Surface morphology of Manganese Phosphate coatings was examined by scanning electron microscope (SEM) and Energy dispersive X-ray Spectroscopy (EDX) .The we

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16

Benhsina, Elhassan, Abderrazzak Assani, Mohamed Saadi, and Lahcen El Ammari. "Synthesis and structure study of new manganese and indium based phosphate: (Ca,Ba)1.222Mn0.923In1.570(PO4)3." MATEC Web of Conferences 149 (2018): 01085. http://dx.doi.org/10.1051/matecconf/201814901085.

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Phosphates are an important class of materials which are well-known due to their structural diversity and their important potential application in many fields of sciences. A member of this family, represented by transition metal phosphates, is in the forefront of important researchers. A new manganese and indium based phosphate is successfully isolated by means of solid state reaction. Its corresponding crystal structure is isotypic to the alluaudite and crystallizes in the monoclinic system with the space group C2/c and cell parameters a=12.4697(5)Å ; b=12.9365(5)Å ; c=6.5625(3)Å and β=115.60

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17

Luan, Lindong, Jing Li, Changzhen Yin, Zhien Lin, and Hui Huang. "Solvent-free synthesis of new inorganic–organic hybrid solids with finely tuned manganese oxalate structures." Dalton Transactions 44, no. 13 (2015): 5974–77. http://dx.doi.org/10.1039/c5dt00431d.

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18

Bar-Matthews, Miryam. "The genesis of uranium in manganese and phosphorite assemblages, Timna Basin, Israel." Geological Magazine 124, no. 3 (1987): 211–29. http://dx.doi.org/10.1017/s0016756800016253.

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AbstractUranium enrichments (up to 4000 ppm) occur in the manganese and phosphorite assemblages of the Lower Cambrian clastic marine sedimentary sequence, Timna Basin, Israel. Two types of mineralization assemblages can be defined. Sedimentary stratabound assemblages consist of uranium-enriched stratiform manganese and phosphatic laminae, diagenetic (type A) manganese nodules composed of pyrolusite and hollandite laminae and phosphorite lenses. Fission-track maps show that the uranium is homogeneously distributed within host manganese and phosphatic minerals of these assemblages. Epigenetic as

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19

Couillard, D., and M. Chartier. "Influence des caractéristiques des boues digérées en aérobiose sur la solubilisation biologique des métaux." Canadian Journal of Civil Engineering 20, no. 3 (1993): 509–17. http://dx.doi.org/10.1139/l93-065.

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A process for metal removal by thiobacilli was applied to aerobic sludge from three different sources: treated sludge not subjected to phosphate removal, sludge subjected to a FeCl3 phosphate-removal process, and sludge subjected to an alum phosphate-removal process. Solubilization varied, and a number of hypotheses were formulated and tested to explain the results: influence of digestion factors, addition of Percol, metal concentrations of the sludge, and phosphate-removal processes during sludge generation. Sludge digestion and addition of Percol proved not to affect metal solubilization res

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20

Neher, Gregory, та Tina T. Salguero. "δ-Polymorph of Manganese Phosphate". Crystal Growth & Design 17, № 9 (2017): 4864–72. http://dx.doi.org/10.1021/acs.cgd.7b00816.

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21

Farrara, Richard A. "Evaluation of manganese phosphate coatings." Industrial & Engineering Chemistry Product Research and Development 24, no. 3 (1985): 401–3. http://dx.doi.org/10.1021/i300019a013.

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22

Mata-Perez, Fernando, and Joaquin F. Perez-Benito. "Identification of the product from the reduction of permanganate ion by trimethylamine in aqueous phosphate buffers." Canadian Journal of Chemistry 63, no. 4 (1985): 988–92. http://dx.doi.org/10.1139/v85-165.

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The product obtained from the reduction of potassium permanganate by trimethylamine in aqueous phosphate buffers has been identified as a soluble form of colloidal manganese dioxide which is stabilized in solution by adsorption of phosphate ions on its surface. The dependence of the rate of flocculation on several experimental variables has been studied. Phosphate ions have been found to increase the solubility of the colloid by increasing the apparent energy of activation of the flocculation process. This could explain the well-known capacity of those ions for retarding the precipitation of m

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23

Riou, A., Y. Cudennec, and Y. Gerault. "Phosphate hydrogénophosphate de manganèse." Acta Crystallographica Section C Crystal Structure Communications 43, no. 5 (1987): 821–23. http://dx.doi.org/10.1107/s0108270187093934.

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24

Gokce, Bahar, Necdet Geren, and Mahmut Izciler. "Effect of substrate surface roughness on the wear of molybdenum disulphate coated rolling contact bearings." Materials Testing 63, no. 9 (2021): 848–54. http://dx.doi.org/10.1515/mt-2021-0012.

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Abstract The objective of the present experimental work is to investigate the influence of subsurface roughness on the friction and wear performance of high-temperature ball bearing. Bearings, which are used in high-temperature applications, are affected by several operating conditions. Some factors under high-temperature conditions such as short grease life, thin-film thickness at low speed, and insufficient internal clearance can drastically reduce bearing service life due to an increase in surface friction. For this reason, rolling contact bearings are coated with molybdenum disulfide. Befo

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25

Duszczyk, Jakub, Katarzyna Siuzdak, Tomasz Klimczuk, Judyta Strychalska-Nowak, and Adriana Zaleska-Medynska. "Modified Manganese Phosphate Conversion Coating on Low-Carbon Steel." Materials 13, no. 6 (2020): 1416. http://dx.doi.org/10.3390/ma13061416.

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Conversion coatings are one of the primary types of galvanic coatings used to protect steel structures against corrosion. They are created through chemical reactions between the metal surface and the environment of the phosphating. This paper investigates the impact that the addition of new metal cations to the phosphating reaction environment has on the quality of the final coating. So far, standard phosphate coatings have contained only one primary element, such as zinc in the case of zinc coatings, or two elements, such as manganese and iron in the case of manganese coatings. The structural

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26

Jebli, Semeh, Abdessalem Badri, and Mongi Ben Amara. "Synthesis and crystal structure of a new alluaudite-like iron phosphate Na2CaMnFe(PO4)3." Acta Crystallographica Section E Crystallographic Communications 72, no. 12 (2016): 1806–8. http://dx.doi.org/10.1107/s2056989016017771.

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A new iron phosphate, disodium calcium manganese(II) iron(III) tris(phosphate), Na2CaMnFe(PO4)3, has been synthesized as single crystals by the flux technique. This compound crystallizes in the monoclinic space groupC2/c. The structure belongs to the alluaudite structural type and thus, it obeys theX(2)X(1)M(1)M(2)2(PO4)3general formula. Both theX(2) andX(1) sites are fully occupied by sodium, whileM(1) is occupied by calcium andM(2) exhibits a statistical distribution of iron and manganese.

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27

Duszczyk, Jakub, Katarzyna Siuzdak, Tomasz Klimczuk, Judyta Strychalska-Nowak, and Adriana Zaleska-Medynska. "Manganese Phosphatizing Coatings: The Effects of Preparation Conditions on Surface Properties." Materials 11, no. 12 (2018): 2585. http://dx.doi.org/10.3390/ma11122585.

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Manganese phosphate coating could be used to protect the surface of steel products. However, it is essential to determine the effects which process parameters, as well as the types of additives used, have on the efficiency of coating deposition. Thus, we present here a process of phosphatization of low-alloy steel (for 15 min at 95 °C) in manganese/nickel baths followed by a passivation process with the use of a silicon and zircon compounds. The microstructure and morphology of the surface were analyzed by SEM EDX and XRD methods. The obtained results showed that the manganese phosphate could

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28

Dijkstra, Nikki, Mathilde Hagens, Matthias Egger, and Caroline P. Slomp. "Post-depositional formation of vivianite-type minerals alters sediment phosphorus records." Biogeosciences 15, no. 3 (2018): 861–83. http://dx.doi.org/10.5194/bg-15-861-2018.

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Abstract. Phosphorus (P) concentrations in sediments are frequently used to reconstruct past environmental conditions in freshwater and marine systems, with high values thought to be indicative of a high biological productivity. Recent studies suggest that the post-depositional formation of vivianite, an iron(II)-phosphate mineral, might significantly alter trends in P with sediment depth. To assess its importance, we investigate a sediment record from the Bornholm Basin that was retrieved during the Integrated Ocean Drilling Program (IODP) Baltic Sea Paleoenvironment Expedition 347 in 2013, c

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29

Šťastný, Martin, Gloria Issa, Daniela Popelková, et al. "Nanostructured manganese oxides as highly active catalysts for enhanced hydrolysis of bis(4-nitrophenyl)phosphate and catalytic decomposition of methanol." Catalysis Science & Technology 11, no. 5 (2021): 1766–79. http://dx.doi.org/10.1039/d0cy02112a.

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The nanostructured manganese oxides (MnOx) exhibited high catalytic activities for hydrolysis of phosphate diester-based substrate bis(4-nitrophenyl)phosphate and decomposition of methanol to carbon monoxide and hydrogen as a potential alternative fuel.

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30

Bakenov, Zhumabay, and Izumi Taniguchi. "LiMnPO4 Olivine as a Cathode for Lithium Batteries." Open Materials Science Journal 5, no. 1 (2011): 222–27. http://dx.doi.org/10.2174/1874088x01105010222.

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The olivine structured mixed lithium-transition metal phosphates LiMPO4 (M = Fe, Mn, Co) have attracted tremendous attention of many research teams worldwide as a promising cathode materials for lithium batteries. Among them, lithium manganese phosphate LiMnPO4 is the most promising considering its high theoretical capacity and operating voltage, low cost and environmental safety. Various techniques were applied to prepare this perspective cathode for lithium batteries. The solution based synthetic routes such as spray pyrolysis, precipitation, sol-gel, hydrothermal and polyol synthesis allow

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31

Boyle, F. W., and W. L. Lindsay. "Manganese Phosphate Equilibrium Relationships in Soils." Soil Science Society of America Journal 50, no. 3 (1986): 588–93. http://dx.doi.org/10.2136/sssaj1986.03615995005000030009x.

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32

Jáky, Miklós, and Miklós Zrinyi. "Oxidations with soluble manganese(IV) phosphate." Polyhedron 12, no. 11 (1993): 1271–75. http://dx.doi.org/10.1016/s0277-5387(00)84316-8.

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33

Holford, ICR. "Effects of lime on yields and phosphate uptake by clover in relation to changes in soil phosphate and related characteristics." Soil Research 23, no. 1 (1985): 75. http://dx.doi.org/10.1071/sr9850075.

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In a glasshouse experiment on 15 acid soils from north-eastern New South Wales, lime was applied in factorial combination with phosphate to determine their effects and interactions on the yield and phosphorus uptake of white clover. Phosphate caused significant yield responses on all but one soil. The higher rate of lime increased the uptake of soil phosphate, but decreased the apparent uptake of fertilizer phosphate from most soils. These effects were generally consistent with lime-induced increases in phosphate concentration in the soil solution, exchangeable phosphate and buffer capacity. T

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34

Natasha, A. N., Iis Sopyan, and A. Zuraida. "Fourier Transform Infrared Study on Sol-Gel Derived Manganese-Doped Hydroxyapatite." Advanced Materials Research 47-50 (June 2008): 1185–88. http://dx.doi.org/10.4028/www.scientific.net/amr.47-50.1185.

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Manganese is one of metallic elements which appear in biological apatite like bone and teeth. Its important effect on the growth and development of bone has been well known. Here, we have synthesized manganese-doped hydroxyapatite (HA) via sol-gel method. White ammoniacal solution of monomers were refluxed until white gel formed, followed by drying and calcination at 500 – 900°C. Four different concentration of manganese (2, 5, 10 and 15 mol%) were successfully incorporated into HA crystals. XRD analysis showed that the crystallinity increased with the increased amount of manganese. SEM measur

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35

Wang, Guixiang, Nana Cao, and Yangyang Wang. "Characteristics and corrosion studies of zinc–manganese phosphate coatings on magnesium–lithium alloy." RSC Adv. 4, no. 104 (2014): 59772–78. http://dx.doi.org/10.1039/c4ra08122f.

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36

SIDDIQI, S. A., R. D. KHAN, F. A. KHWAJA, and S. NASEEM. "Band gap variation in manganese phosphate glasses with increasing manganese concentration." International Journal of Electronics 64, no. 4 (1988): 661–66. http://dx.doi.org/10.1080/00207218808962838.

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37

Shanmugam, S., K. Ravichandran, T. S. N. Sankara Narayanan, and Min Ho Lee. "A facile electrochemical approach for the deposition of iron–manganese phosphate composite coatings on aluminium." RSC Advances 5, no. 2 (2015): 988–1008. http://dx.doi.org/10.1039/c4ra08195a.

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38

Gerault, Y., A. Riou, and Y. Cudennec. "Phosphate hydrogénophosphate hydrate de manganèse." Acta Crystallographica Section C Crystal Structure Communications 43, no. 9 (1987): 1829–30. http://dx.doi.org/10.1107/s0108270187090000.

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39

Munyemana, Jean Claude, Huixia He, Shenglong Ding, Jie Yin, Pinxian Xi, and Jianxi Xiao. "Synthesis of manganese phosphate hybrid nanoflowers by collagen-templated biomineralization." RSC Advances 8, no. 5 (2018): 2708–13. http://dx.doi.org/10.1039/c7ra12628j.

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40

Su, Yichang, Yingchao Su, Wei Zai, Guangyu Li, and Cuie Wen. "In Vitro Degradation Behaviors of Manganese-Calcium Phosphate Coatings on an Mg-Ca-Zn Alloy." Scanning 2018 (2018): 1–9. http://dx.doi.org/10.1155/2018/6268579.

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In order to decrease the degradation rate of magnesium (Mg) alloys for the potential orthopedic applications, manganese-calcium phosphate coatings were prepared on an Mg-Ca-Zn alloy in calcium phosphating solutions with different addition of Mn2+. Influence of Mn content on degradation behaviors of phosphate coatings in the simulated body fluid was investigated to obtain the optimum coating. With the increasing Mn addition, the corrosion resistance of the manganese-calcium phosphate coatings was gradually improved. The optimum coating prepared in solution containing 0.05 mol/L Mn2+ had a unifo

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41

Trilisenko, Ludmila, Anton Zvonarev, Airat Valiakhmetov, et al. "The Reduced Level of Inorganic Polyphosphate Mobilizes Antioxidant and Manganese-Resistance Systems in Saccharomyces cerevisiae." Cells 8, no. 5 (2019): 461. http://dx.doi.org/10.3390/cells8050461.

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Inorganic polyphosphate (polyP) is crucial for adaptive reactions and stress response in microorganisms. A convenient model to study the role of polyP in yeast is the Saccharomyces cerevisiae strain CRN/PPN1 that overexpresses polyphosphatase Ppn1 with stably decreased polyphosphate level. In this study, we combined the whole-transcriptome sequencing, fluorescence microscopy, and polyP quantification to characterize the CRN/PPN1 response to manganese and oxidative stresses. CRN/PPN1 exhibits enhanced resistance to manganese and peroxide due to its pre-adaptive state observed in normal conditio

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42

Onoda, H., and S. Fujikado. "Synthesis of novel red phosphate pigments from manganese carbonate to imitate natrophilite." Cerâmica 64, no. 372 (2018): 623–26. http://dx.doi.org/10.1590/0366-69132018643722511.

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Abstract A novel red pigment, sodium manganese phosphate (NaMnPO4), imitating natrophilite, was synthesized from manganese carbonate by heating under various conditions. The powders obtained were investigated by X-ray diffraction (XRD) analysis, infrared spectroscopy, ultraviolet-visible reflectance spectroscopy, and L*a*b* color space. Samples synthesized at 500-800 °C presented XRD patterns associated with NaMnPO4. By heating at a higher temperature, the samples exhibited lighter color. The sample synthesized at 700 °C indicated the highest a* value. Furthermore, the effects of varying relat

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Sbai, Kacem, Azzeddine Atibi, Khadija El Kababi, and Said Belaaouad. "Chemical preparation and crystal data for four new condensed phosphates." Powder Diffraction 17, no. 1 (2002): 19–22. http://dx.doi.org/10.1154/1.1424262.

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Methods of chemical preparation and crystallographic data are reported for four new condensed phosphates: one hydrated cyclotriphosphate MnAg4(P3O9)2·6H2O and three long-chain polyphosphates: MnAg2(PO3)4, NiAg4(PO3)6 and NiNa4(PO3)6. Two of these new condensed phosphates, associated with manganese, belong to previously investigated structure types.

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Hue, Nguyen Thi, and Nguyen Hoang Tung. "Study on simultaneous adsorption of phosphate and fluoride from water environment by modified laterite ore from Northern Vietnam." Green Processing and Synthesis 7, no. 2 (2018): 89–99. http://dx.doi.org/10.1515/gps-2016-0136.

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AbstractNatural laterite can be regarded as a strong adsorbent due to its special structure and composition. In this study, the laterite was modified by manganese oxide (MnO2) to create a new good adsorbent for treating phosphate and fluoride in water environment. Under the optimized conditions of the adsorbent dose (pH 6, temperature 20°C, and the contact time 180 min), laterite, doped manganese, with diameter of grains from 0.1 to 0.5 mm has maximum adsorption capacity of 31.25 mg/g and 10.99 mg/g for phosphate and fluoride, respectively. The characteristics of the manganese doping laterite

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ZANG, Libin, Yong CHEN, Lixin RAN, Yang ZHENG, Kai LI, and Dongying JU. "Comparative Study on the Friction Property of Bearing Steel Modified Bygraphite/MoS2 Composite Coating and Manganese Phosphate Coating." Materials Science 25, no. 4 (2019): 383–93. http://dx.doi.org/10.5755/j01.ms.25.4.19454.

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Surface modification is an important method to improve the contact fatigue life of transmission parts. The preparation of high performance coating with good tribological properties on the gears and bearings has become the research trends. This paper presents graphite/MoS2 composite spray and manganese phosphate conversion coating prepared on the AISI52100 steel surface and investigates their anti-fatigue mechanism. The tribological properties of the modified layers were studied using a SRV-IV multifunctional friction and wear tester. The microstructure and interfacial components of the coating

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Zhang, Wen Yuan, Rui Xiang Liu, Jie Yang, Chang Ling Zhou, Xue Ye Sui, and Chong Hai Wang. "Application of Phosphate Process in Ceramic Insulated Magnet Wire." Advanced Materials Research 1058 (November 2014): 270–73. http://dx.doi.org/10.4028/www.scientific.net/amr.1058.270.

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In this paper we take advantage of the phosphate film which has a porous structure, by phosphate process on the surface of nickel plated copper conductor so as to improve the bonding force of wire and ceramic layer; Through the study of resistance voltage breakdown after phosphate , phosphate liquid was determined Manganese dihydrogen phosphate for 3g100-1ml, Zinc Nitrate was 8g100-1ml, Sodium Fluoride was 0.45g100-1ml; Optimum temperature was 60°C and the appropriate time was 15min at the temperature of 60°C.

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Luo, Wu Kui, Shao Ming Ying, and Mei Zhen Zhou. "Synthesis and Characterization of Manganese Phosphate Aluminosilicate Molecular Sieve." Applied Mechanics and Materials 665 (October 2014): 264–66. http://dx.doi.org/10.4028/www.scientific.net/amm.665.264.

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Using conventional hydrothermal synthesis method, n-butylamine as an organic templating agent (C4H11N), phosphoric acid, tetraethyl orthosilicate, aluminum hydroxide, and manganese acetate as starting material, by adjusting the amount of the crystallization conditions and reactants pH, phosphate synthesized manganese-containing aluminosilicate zeolite. The molar ratio between the raw material is n (P): n (Si): n (Al): n (Mn): n (H2O): n (C4H11N) = (1.8 ~ 2.2): (0.15 ~ 0.2): (0.8 ~ 0.9): (0.6 ~ 0.8): (2.4 ~ 4.5): (1.1 ~ 1.4), pH in the range of 5.30 ~ 5.50, the crystallization temperature was 1

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ONODA, Hiroaki, and Shiho KANAI. "SYNTHESIS OF NOVEL MANGANESE PHOSPHATE VIOLET PIGMENT." Phosphorus Research Bulletin 36 (2020): 23–28. http://dx.doi.org/10.3363/prb.36.23.

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Sharma, C. V. Krishnamohan, Charles C. Chusuei, Rodolphe Clérac, Teresia Möller, Kim R. Dunbar, and Abraham Clearfield. "Magnetic Property Studies of Manganese−Phosphate Complexes." Inorganic Chemistry 42, no. 25 (2003): 8300–8308. http://dx.doi.org/10.1021/ic0300520.

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Korchemkin, I. V., V. I. Pet’kov, A. V. Markin, et al. "Thermodynamic properties of caesium–manganese phosphate CsMnPO4." Journal of Chemical Thermodynamics 78 (November 2014): 114–19. http://dx.doi.org/10.1016/j.jct.2014.06.012.

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