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Journal articles on the topic 'Sulfur compounds'

Author: Grafiati

Published: 4 June 2021

Last updated: 25 July 2025

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1

Arisawa, Mieko, and Masahiko Yamaguchi. "Rhodium-Catalyzed Synthesis of Organosulfur Compounds using Sulfur." Synlett 30, no. 14 (2019): 1621–31. http://dx.doi.org/10.1055/s-0037-1611867.

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Sulfur is one of the few elements that occurs uncombined in nature. Sulfur atoms are found in natural amino acids and vitamins. In the chemical industry, organosulfur compounds are used for fabricating rubber, fibers, and dyes, pharmaceuticals, and pesticides. Although sulfur, which is cheap and easy to handle, is a useful source of sulfur atom in functional organosulfur compounds, it is rarely used in organic synthesis. Activation of sulfur by high temperature, light irradiation, treatment with nucleophiles and electrophiles, and redox conditions often results in the formation of various acti

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2

Wanikawa, Akira, and Toshikazu Sugimoto. "A Narrative Review of Sulfur Compounds in Whisk(e)y." Molecules 27, no. 5 (2022): 1672. http://dx.doi.org/10.3390/molecules27051672.

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The production process of whisky consists of malting, mashing, fermentation, distillation and maturation. Sulfur volatile compounds generated during this process have long attracted interest because they influence quality in general. More than forty compounds have been reported: they are formed during malting, fermentation, and distillation, but some may decrease in concentration during distillation and maturation. In sensory analysis, sulfur characteristics are described as sulfury, meaty, cereal, feinty, and vegetable, among others. Their contribution to overall quality depends on their conc

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3

Wu, Mingqing, Chunyan Chang, Tao Li, Jian Zhou, and Liping Zhao. "Characterization of Sulfur Compounds in MTBE." Journal of Fuels 2015 (June 21, 2015): 1–11. http://dx.doi.org/10.1155/2015/360790.

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A study is carried out on chemical constitution of sulfur compounds in MTBE and their formation mechanisms. These sulfur compounds are classified into three types: common sulfur compounds, newly formed sulfur compounds, and high boiling sulfur compounds. Common sulfur compounds which include mercaptans, low molecule sulfides and disulfides, are directly from C4, one of the stocks for production of MTBE. The newly formed sulfur compounds, with one sulfur atom and five or more total carbon atoms in one molecule, are mainly tert-butyl methyl sulfide and tert-butyl ethyl sulfide, thioetherificatio

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4

Nwachukwu, Ifeanyi D., Alan J. Slusarenko, and Martin C. H. Gruhlke. "Sulfur and Sulfur Compounds in Plant Defence." Natural Product Communications 7, no. 3 (2012): 1934578X1200700. http://dx.doi.org/10.1177/1934578x1200700323.

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The multiplicity of chemical structures of sulfur containing compounds, influenced in part by the element's several oxidation states, directly results in diverse modes of action for sulfur-containing natural products synthesized as secondary metabolites in plants. Sulfur-containing natural products constitute a formidable wall of defence against a wide range of pathogens and pests. Steady progress in the development of new technologies have advanced research in this area, helping to uncover the role of such important plant defence molecules like endogenously-released elemental sulphur, but als

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5

VASCONCELOS, Adriana Palmeiro, and Sérgio Machado CORRÊA. "SULFUR COMPOUNDS IN MIXING DIESEL AND BIODIESEL." Periódico Tchê Química 05, no. 10 (2008): 51–57. http://dx.doi.org/10.52571/ptq.v5.n10.2008.agosto/7_pgs_51_57.pdf.

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The mixing of biodiesel and petroleum diesel is being widely used as an attempt to reduce the emissions of sulfur compounds. These compounds are responsible for pollution, causing several diseases, like some breath problems. Sulfur compounds cause car catalyst poisoning and deactivation of processing, contributing to undesirable emissions of other toxic compounds. The goal of this work was to identify sulfur compounds in diesel and in some biodiesel mixtures of different sources. Gas chromatography system coupled with FID (flame ionization detector) was the methodology initially employed, for

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6

Maksimov, A. M., V. V. Kireenkov, and V. E. Platonov. "Organofluorine sulfur-containing compounds." Russian Chemical Bulletin 45, no. 1 (1996): 153–55. http://dx.doi.org/10.1007/bf01433751.

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7

Kalugin, V. E., and A. M. Shestopalov. "Functional sulfur-containing compounds." Russian Chemical Bulletin 57, no. 10 (2008): 2139–45. http://dx.doi.org/10.1007/s11172-008-0290-6.

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8

Takahashi, Hideyuki, Eiichiro Matsubara, Rodion Vladimirovich Belosludov, et al. "Fullerene and Sulfur Compounds." MATERIALS TRANSACTIONS 43, no. 7 (2002): 1530–32. http://dx.doi.org/10.2320/matertrans.43.1530.

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9

TOKUNO, KENJI, YUKARI ASAO, FUMIHISA MIYOSHI, YUKIE SAWADA, and TSUTOMU OHASHI. "Organic Sulfur Compounds. XII." YAKUGAKU ZASSHI 106, no. 3 (1986): 187–92. http://dx.doi.org/10.1248/yakushi1947.106.3_187.

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10

TOKUNO, KENJI, YUKARI ASAO, FUMIHISA MIYOSHI, YUKIE SAWADA, and TSUTOMU OHASHI. "Organic Sulfur Compounds. XIII." YAKUGAKU ZASSHI 106, no. 3 (1986): 193–98. http://dx.doi.org/10.1248/yakushi1947.106.3_193.

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11

Harborne, Jeffrey B. "Sulfur compounds in foods." Phytochemistry 39, no. 4 (1995): 954–55. http://dx.doi.org/10.1016/0031-9422(95)90335-6.

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12

Mathew, Varughese, and Sheila Chopin. "High-Temperature Reliability of Copper Wire-Bonded Packages Encapsulated with Mold Compounds Containing Sulfur Compounds." Journal of Microelectronics and Electronic Packaging 12, no. 4 (2015): 226–31. http://dx.doi.org/10.4071/imaps.469.

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Cu wire-bonded (CuWB) packaging is more susceptible to corrosion than traditional inert gold wires. CuWB reliability greatly depends on the compatibility of Cu wire with the surrounding encapsulating mold compound as this matrix can provide a corrosive environment leading to reliability issues. Many mold compounds contain specific components, which are sulfur-based compounds. Since the reliability testing of an encapsulated packaged device involves thermal treatments, such as the high-temperature storage life (HTSL) test, there is a concern that corrosive sulfur compounds can be produced at hi

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13

Mathew, Varughese, and Sheila Chopin. "High Temperature Reliability of Copper Wire - Bonded Packages Encapsulated with Mold Compounds Containing Sulfur compounds." International Symposium on Microelectronics 2014, no. 1 (2014): 000477–82. http://dx.doi.org/10.4071/isom-wa42.

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Copper wire-bonded (CuWB) packaging is more susceptible to corrosion than traditional inert gold wires. CuWB reliability greatly depends on the compatibility of Cu wire with the surrounding encapsulating mold compound as this matrix can provide a corrosive environment leading to reliability issues. Many mold compounds contain specific components which are sulfur-based compounds. Since the reliability testing of an encapsulated packaged device involves thermal treatments such as high temperature storage life (HTSL) test, there is a concern that corrosive sulfur compounds can be produced at high

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14

Barce Ferro, Criscieli Taynara, Beatriz Fuzinato dos Santos, Caren Daniele Galeano da Silva, George Brand, Beatriz Amaral Lopes da Silva, and Nelson Luís de Campos Domingues. "Review of the Syntheses and Activities of Some Sulfur-Containing Drugs." Current Organic Synthesis 17, no. 3 (2020): 192–210. http://dx.doi.org/10.2174/1570179417666200212113412.

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Background: Sulfur-containing compounds represent an important class of chemical compounds due to their wide range of biological and pharmaceutical properties. Moreover, sulfur-containing compounds may be applied in other fields, such as biological, organic, and materials chemistry. Several studies on the activities of sulfur compounds have already proven their anti-inflammatory properties and use to treat diseases, such as Alzheimer’s, Parkinson’s, and HIV. Moreover, examples of sulfur-containing compounds include dapsone, quetiapine, penicillin, probucol, and nelfinavir, which are important

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15

Milner, John A. "Preclinical Perspectives on Garlic and Cancer." Journal of Nutrition 136, no. 3 (2006): 827S—831S. http://dx.doi.org/10.1093/jn/136.3.827s.

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ABSTRACT Evidence continues to point to the anticancer properties of fresh garlic extracts, aged garlic, garlic oil, and a number of specific organosulfur compounds generated by processing garlic. These anticarcinogenic and antitumorigenic characteristics appear to arise through both dose- and temporal-related changes in a number of cellular events involved with the cancer process, including those involving drug metabolism, immunocompetence, cell cycle regulation, apoptosis, and angiogenesis. The ability of garlic and related allyl sulfur compounds to block tumors in the colon, lung, breast, a

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16

Franz, Bettina, Thomas Gehrke, Henning Lichtenberg, Josef Hormes, Christiane Dahl, and Alexander Prange. "Unexpected extracellular and intracellular sulfur species during growth of Allochromatium vinosum with reduced sulfur compounds." Microbiology 155, no. 8 (2009): 2766–74. http://dx.doi.org/10.1099/mic.0.027904-0.

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Before its uptake and oxidation by purple sulfur bacteria, elemental sulfur probably first has to be mobilized. To obtain more insight into this mobilization process in the phototrophic purple sulfur bacterium Allochromatium vinosum, we used HPLC analysis and X-ray absorption near-edge structure (XANES) spectroscopy for the detection and identification of sulfur compounds in culture supernatants and bacterial cells. We intended to identify soluble sulfur compounds that specifically occur during growth on elemental sulfur, and therefore compared spectra of cultures grown on sulfur with those of

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17

Yang, Yanli, and Qiaojing Zhao. "Analysis of aromatic hydrocarbon in medium- to high-sulfur coals from Fenxi, Shanxi Province." World Journal of Engineering 15, no. 6 (2018): 786–91. http://dx.doi.org/10.1108/wje-07-2017-0179.

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Purpose This study aims to investigate the compositional characteristics of aromatic hydrocarbons extracted from coals and to describe how the sulfur content influences the properties of coals and whether widely accepted maturity parameters are suitable for medium- to high-sulfur coal. Design/methodology/approach Four samples of medium- to high-sulfur coal were obtained from Fenxi, Shanxi Province, and studied using gas chromatography and gas chromatography–mass spectrometry (GC-MS). Findings The GC-MS results showed that there were five series of compounds were identified in the aromatic frac

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18

Li, Zheng, Fei Pan, Wen Huang, et al. "Transcriptome Reveals the Key Genes Related to the Metabolism of Volatile Sulfur-Containing Compounds in Lentinula edodes Mycelium." Foods 13, no. 14 (2024): 2179. http://dx.doi.org/10.3390/foods13142179.

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Lentinula edodes (L. edodes) is a globally popular edible mushroom because of its characteristic sulfur-containing flavor compounds. However, the formation of the volatile sulfur-containing compounds in the mycelium of L. edodes has not been studied. We found that there were also sulfur-containing aroma compounds in the mycelium of L. edodes, and the content and composition varied at different stages of mycelial growth and development. The γ-glutamyl-transpeptidase (GGT) and cysteine sulfoxide lyase (C-S lyase) related to the generation of sulfur compounds showed the highest activities in the

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19

Echizen, Honami, Eita Sasaki, and Kenjiro Hanaoka. "Recent Advances in Detection, Isolation, and Imaging Techniques for Sulfane Sulfur-Containing Biomolecules." Biomolecules 11, no. 11 (2021): 1553. http://dx.doi.org/10.3390/biom11111553.

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Hydrogen sulfide and its oxidation products are involved in many biological processes, and sulfane sulfur compounds, which contain sulfur atoms bonded to other sulfur atom(s), as found in hydropersulfides (R-S-SH), polysulfides (R-S-Sn-S-R), hydrogen polysulfides (H2Sn), etc., have attracted increasing interest. To characterize their physiological and pathophysiological roles, selective detection techniques are required. Classically, sulfane sulfur compounds can be detected by cyanolysis, involving nucleophilic attack by cyanide ion to cleave the sulfur–sulfur bonds. The generated thiocyanate

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20

Matsuo, Hirotaka, Yu Hanamure, Rei Miyano, Yōko Takahashi, Satoshi Ōmura, and Takuji Nakashima. "Screening for Sulfur Compounds by Molybdenum-Catalyzed Oxidation Combined with Liquid Chromatography-Mass Spectrometry." Molecules 25, no. 2 (2020): 240. http://dx.doi.org/10.3390/molecules25020240.

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The molybdenum (Mo)-catalyzed oxidation of sulfide under neutral conditions yields sulfone. This reaction proceeds more smoothly than olefin epoxidation and primary or secondary alcohol oxidation. In this study, Mo-catalyzed oxidation was used to screen for sulfur compounds (named “MoS-screening”) in microbial broths by liquid chromatography-mass spectrometry (LC/MS). To demonstrate proof-of-concept, known sulfur microbial compounds were successfully identified from a mixture of non-sulfur microbial compounds as sulfinyl or sulfonyl products of Mo-catalyzed oxidation. Then our MoS-screening me

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21

Marcinkowska, Monika A., and Henryk H. Jeleń. "Role of Sulfur Compounds in Vegetable and Mushroom Aroma." Molecules 27, no. 18 (2022): 6116. http://dx.doi.org/10.3390/molecules27186116.

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At the base of the food pyramid is vegetables, which should be consumed most often of all food products, especially in raw and unprocessed form. Vegetables and mushrooms are rich sources of bioactive compounds that can fulfill various functions in plants, starting from protection against herbivores and being natural insecticides to pro-health functions in human nutrition. Many of these compounds contain sulfur in their structure. From the point of view of food producers, it is extremely important to know that some of them have flavor properties. Volatile sulfur compounds are often potent odora

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22

Abdul Wahab, Ibtisam. "Teaching Sulfur Compounds With Sunflowers." Journal of Creative Arts 2, no. 1 (2025): 46–52. https://doi.org/10.24191/jca.v2i1.4660.

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The heteroatoms, such as sulfur atom, are taught to the pharmacy undergraduates in their first semester of the program. The knowledge on sulfur compounds is significant, since there are available in the structural composition of antibiotics, such as the penicillin, and among others, the amino acids, and proteins. Prior to the lectures on antibiotics and other biologically important molecules, these pharmacists-in-training (PIT) were invited to name chemical compounds of their interests. The object-oriented responses include examples of heterocyclic or sulfur-containing compounds, such as sulfl

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23

Grossman, M. J., M. K. Lee, R. C. Prince, K. K. Garrett, G. N. George, and I. J. Pickering. "Microbial Desulfurization of a Crude Oil Middle-Distillate Fraction: Analysis of the Extent of Sulfur Removal and the Effect of Removal on Remaining Sulfur." Applied and Environmental Microbiology 65, no. 1 (1999): 181–88. http://dx.doi.org/10.1128/aem.65.1.181-188.1999.

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ABSTRACT Rhodococcus sp. strain ECRD-1 was evaluated for its ability to desulfurize a 232 to 343°C middle-distillate (diesel range) fraction of Oregon basin (OB) crude oil. OB oil was provided as the sole source of sulfur in batch cultures, and the extent of desulfurization and the chemical fate of the residual sulfur in the oil after treatment were determined. Gas chromatography (GC), flame ionization detection, and GC sulfur chemiluminesce detection analysis were used to qualitatively evaluate the effect ofRhodococcus sp. strain ECRD-1 treatment on the hydrocarbon and sulfur content of the o

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24

Pelzer, G., J. Herwig, W. Keim, and R. Goddard. "Catalytic transformations of sulfur dioxide into organic sulfur compounds." Russian Chemical Bulletin 47, no. 5 (1998): 904–12. http://dx.doi.org/10.1007/bf02498159.

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25

Miękus, Natalia, Krystian Marszałek, Magdalena Podlacha, Aamir Iqbal, Czesław Puchalski, and Artur H. Świergiel. "Health Benefits of Plant-Derived Sulfur Compounds, Glucosinolates, and Organosulfur Compounds." Molecules 25, no. 17 (2020): 3804. http://dx.doi.org/10.3390/molecules25173804.

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The broad spectrum of the mechanism of action of immune-boosting natural compounds as well as the complex nature of the food matrices make researching the health benefits of various food products a complicated task. Moreover, many routes are involved in the action of most natural compounds that lead to the inhibition of chronic inflammation, which results in a decrease in the ability to remove a pathogen asymptomatically and is connected to various pathological events, such as cancer. A number of cancers have been associated with inflammatory processes. The current review strives to answer the

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26

Rezanka, Tomas, Miroslav Sobotka, Jaroslav Spizek, and Karel Sigler. "Pharmacologically Active Sulfur-Containing Compounds." Anti-Infective Agents in Medicinal Chemistry 5, no. 2 (2006): 187–224. http://dx.doi.org/10.2174/187152106776359002.

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27

HIRAI, Koichi. "Medicines and organic sulfur compounds." Journal of Synthetic Organic Chemistry, Japan 45, no. 6 (1987): 536–48. http://dx.doi.org/10.5059/yukigoseikyokaishi.45.536.

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28

NAKAI, Satoshi, and Masaaki HOSOMI. "Dioxin-like Heterocyclic Sulfur Compounds." Journal of Environmental Chemistry 15, no. 2 (2005): 239–46. http://dx.doi.org/10.5985/jec.15.239.

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29

El-khateeb*, Mohammad, Birgit Wolfsberger, and Wolfdieter A. Schenk*. "Sulfur(IV) compounds as ligands." Journal of Organometallic Chemistry 612, no. 1-2 (2000): 14–17. http://dx.doi.org/10.1016/s0022-328x(00)00346-6.

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30

Brunet, E., M. C. Carreño, M. T. Gallego, J. L. García Ruano, and F. Alcudia. "Stereochemistry of organic sulfur compounds." Tetrahedron 41, no. 9 (1985): 1733–52. http://dx.doi.org/10.1016/s0040-4020(01)96487-7.

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31

Resende, Stella M., and Fernando R. Ornellas. "Thermochemistry of atmospheric sulfur compounds." Chemical Physics Letters 367, no. 3-4 (2003): 489–94. http://dx.doi.org/10.1016/s0009-2614(02)01738-4.

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32

de Zwart, Jolyn M. M., and J. Gijs Kuenen. "C1-cycle of sulfur compounds." Biodegradation 3, no. 1 (1992): 37–59. http://dx.doi.org/10.1007/bf00189634.

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33

Freitas, Vera L. S., and Maria D. M. C. Ribeiro da Silva. "Oxygen and sulfur heterocyclic compounds." Journal of Thermal Analysis and Calorimetry 121, no. 3 (2015): 1059–71. http://dx.doi.org/10.1007/s10973-015-4800-0.

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34

Kalugin, V. E., and V. P. Litvinov. "Functionally substituted sulfur-containing compounds." Russian Chemical Bulletin 49, no. 5 (2000): 879–85. http://dx.doi.org/10.1007/bf02494713.

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35

Purdy, Ralph F., Joe E. Lepo, and Bailey Ward. "Biodesulfurization of organic-sulfur compounds." Current Microbiology 27, no. 4 (1993): 219–22. http://dx.doi.org/10.1007/bf01692879.

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36

BOLSHAKOV, G. F. "ORGANIC SULFUR COMPOUNDS OF PETROLEUM." Sulfur reports 5, no. 2 (1986): 103–393. http://dx.doi.org/10.1080/01961772.1986.10462153.

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37

Bolshakov, G. F. "Organic Sulfur Compounds of Petroleum." Sulfur reports 5, no. 2 (1986): 103–382. http://dx.doi.org/10.1080/01961772.1986.10878150.

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38

Bajus, Martin. "Sulfur Compounds in Hydrocarbon Pyrolysis." Sulfur reports 9, no. 1 (1989): 25–66. http://dx.doi.org/10.1080/01961778908047982.

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39

Brunet, E., J. L. García Ruano, M. A. Hoyos, J. H. Rodríguez, and F. Alcudia. "Stereochemistry of organic sulfur compounds." Journal of Molecular Structure 158 (May 1987): 79–88. http://dx.doi.org/10.1016/0022-2860(87)80006-6.

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40

Vlasova, N. N., M. S. Sorokin, and E. N. Oborina. "Carbofunctional sulfur-containing organosilicon compounds." Applied Organometallic Chemistry 31, no. 8 (2016): e3668. http://dx.doi.org/10.1002/aoc.3668.

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41

Jiang, Nan, Fuyong Zhang, and Hua Song. "Effect of reduction temperature on the structure and hydrodesulfurization performance of Na doped Ni2P/MCM-41 catalysts." RSC Advances 9, no. 27 (2019): 15488–94. http://dx.doi.org/10.1039/c9ra01582e.

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42

Li, Tonglin. "Application of sulfur-based composite materials in the positive electrode of lithium-sulfur batteries." E3S Web of Conferences 553 (2024): 01013. http://dx.doi.org/10.1051/e3sconf/202455301013.

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Traditional lithium-ion batteries are no longer able to keep up with the growing need for energy storage efficiency in areas like electric cars and renewable energy storage. Because of their great energy density, affordability, and environmental friendliness, lithium-sulfur batteries are regarded as a very promising solution for secondary battery systems. Sulfur-based compounds are an essential part of lithium-sulfur batteries and have a direct impact on the battery’s energy density and performance. However, sulfur-based compounds are easily soluble in electrolytes and have low conductivity, w

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43

Hsieh, Yuch-Ping, and Glynnis C Bugna. "Determination of Organic and Reduced Inorganic Sulfur by Multi-element Scanning Thermal Analysis." Journal of Biomedical Research & Environmental Sciences 4, no. 7 (2023): 1156–65. http://dx.doi.org/10.37871/jbres1781.

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Determination of organic sulfur in solid environmental samples has been difficult because there is no appropriate separation technology. Routine organic sulfur analysis has mostly been done indirectly by the difference between the total and the inorganic sulfur contents. This indirect analysis is tedious, accumulating multiple sampling and procedural errors, and has no chemical characterization information. There are modern technologies such as S-XANES for direct sulfur analysis on solid samples. But they are sophisticated, expensive, and unavailable for routine sulfur analysis. Due to those a

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44

Peng, Fan, and Xiao Hong Yang. "Effect of Cu²⁺ on Ascorbic Acid - Methionine Pattern is Formed by the Reaction of Aroma Compounds." Advanced Materials Research 803 (September 2013): 103–7. http://dx.doi.org/10.4028/www.scientific.net/amr.803.103.

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Using solid phase microextraction - Gas Chromatography - mass spectrometry (SPME-GC-MS) technique to acid and methionine bad blood (ASA-Met) analysis of the reaction products, the influence of Cu2+ on the model reaction flavor compounds form effect. 27 flavour compounds thiophene, furan, pyrazine, sulfur and other compounds, were identified, including sulfur compounds, such as aliphatic cyclic sulfides, sulfide, thiophene, pyrazine as main components. Cu2+ was added to the reaction mode, on the one hand, sulfur-containing compounds yield increased significantly; on the other hand, increasing t

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45

Müller, Nikolaus, Doris Rauhut, and Andrii Tarasov. "Sulfane Sulfur Compounds as Source of Reappearance of Reductive Off-Odors in Wine." Fermentation 8, no. 2 (2022): 53. http://dx.doi.org/10.3390/fermentation8020053.

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Reactive compounds with one or more sulfane sulfur atoms can be an important source of reductive off-odors in wine. These substances contain labile sulfur, which can participate in microbiological (enzymatic) and chemical transformations (including in the post-bottling period), releasing malodorous hydrogen sulfide (H2S) and its derivatives (MeSH, EtSH, etc.). The following sulfane sulfur compounds were considered in this review as important precursors in the wine chemistry of reductive aromas: elemental sulfur (S8), persulfides (R-S-S-H), polysulfanes (R-Sn-R(′)), polythionates (−O3S-Sn-SO3−)

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46

Rose, Peter, Philip Keith Moore, Matthew Whiteman, and Yi-Zhun Zhu. "An Appraisal of Developments in Allium Sulfur Chemistry: Expanding the Pharmacopeia of Garlic." Molecules 24, no. 21 (2019): 4006. http://dx.doi.org/10.3390/molecules24214006.

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Alliums and allied plant species are rich sources of sulfur compounds that have effects on vascular homeostasis and the control of metabolic systems linked to nutrient metabolism in mammals. In view of the multiple biological effects ascribed to these sulfur molecules, researchers are now using these compounds as inspiration for the synthesis and development of novel sulfur-based therapeutics. This research has led to the chemical synthesis and biological assessment of a diverse array of sulfur compounds representative of derivatives of S-alkenyl-l-cysteine sulfoxides, thiosulfinates, ajoene m

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47

Felitsyn, S. B., and V. Yu Kirianov. "Sulfur in Tephra of Opala Volcano Eruption ca. 1500 years ago, Kamchatka." Vulkanologiâ i sejsmologiâ, no. 3 (November 25, 2024): 18–26. http://dx.doi.org/10.31857/s0203030624030029.

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Sulfur-bearing compounds of Plinian-type volcanic eruptions can be transferred with ash particles of distal tephra over considerable distances. Average sulfur content in tephra of Opala volcano (Kamchatka, eruption ca. 1500 years ago) comprises 310 ppm with maximum concentration up to 800 ppm. Connection detected between sulfur content in bulk samples and the particle size distribution – sulfur is predominantly contained in the fraction 0.25‒0.50 mm represented by elongated ash particles with elongated gas pores 1.0‒10.0 mkm in diameter. The most likely reason for the dependence of sulfur cont

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48

Suzuki, Isamu. "Oxidation of inorganic sulfur compounds: Chemical and enzymatic reactions." Canadian Journal of Microbiology 45, no. 2 (1999): 97–105. http://dx.doi.org/10.1139/w98-223.

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Microbial oxidation of inorganic sulfur compounds is governed by both chemical and enzymatic reactions. It is therefore essential to understand reactions possible in chemistry when we consider enzymatic reactions. Various oxidation states of sulfur atoms in inorganic sulfur compounds and chemical oxidation reactions as well as nucleophilic cleavage of sulfur-sulfur bonds are discussed. The scheme of enzymatic oxidation of sulfur compounds with S2-→> S0→> SO32-→> SO42-as the main oxidation pathway is discussed with thiosulfate and polythionates leading into the main pathway for complet

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Yao, Qiu Xiang, Mei Li Du, Shui Li Wang, Jing Liu, Jian Li Yang, and Hai Tao Shang. "Distribution of Sulfur Forms in Low Temperature Pyrolysis of Coal." Advanced Materials Research 512-515 (May 2012): 834–37. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.834.

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Abstract:

The distribution of sulfur forms in the products of low temperature pyrolysis of Carboniferous high sulfur coal from Northwest China was investigated. The typical method of Gray-King assay was used to carry out the low temperature pyrolysis experiments. GC-MS analysis was used to investigate the composition of sulfur compounds in the coal tar. The results show that sulfur mainly remained in the semi-coke and accounted for 80.97% of the total sulfur. Pyrites decomposed and transformed into sulfates and organic sulfur. 5 sulfur containing compounds were detected in the coal tar and they are dibe

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Kariuki, Stephen, Philippe Babady-Bila, and Breanna Duquette. "N,N-Diethyl-p-phenylenediamine effectiveness in analysis of polysulfides and polythionates in water." Environmental Chemistry 5, no. 3 (2008): 226. http://dx.doi.org/10.1071/en08020.

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Abstract:

Environmental context. The importance of hydrogen sulfide as well as some of the reduced sulfur species such as polysulfides as environmental pollutants is a result of their toxicity, unpleasant odour, and their reactivity with metals and metallic ions found in various environmental samples. Although known to be popular, the effectiveness of N,N-diethyl-p-phenylenediamine and other related compounds in the spectrophotometric analysis of such sulfur compounds in water as well as in other environmental samples has not been fully investigated. Our results show that although the quantification of

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