Determination of methyl methanesulfonate and ethyl methanesulfonate in methanesulfonic acid by derivatization followed by high-performance liquid chromatography with ultraviolet detection.
Sign Up to like & getrecommendations! Published in 2017 at "Journal of separation science"
DOI: 10.1002/jssc.201700543
Abstract: Methanesulfonic acid is routinely used in pharmaceuticals but can contain potentially genotoxic impurities such as methyl methanesulfonate and ethyl methanesulfonate. The aim of this study was to develop a simple high-performance liquid chromatography with ultraviolet… read more here.
Keywords: methanesulfonate ethyl; methyl methanesulfonate; methanesulfonate; liquid chromatography ... See more keywords
Formation of atmospheric molecular clusters consisting of methanesulfonic acid and sulfuric acid: Insights from flow tube experiments and cluster dynamics simulations
Sign Up to like & getrecommendations! Published in 2019 at "Atmospheric Environment"
DOI: 10.1016/j.atmosenv.2018.11.043
Abstract: Abstract In coastal regions and ocean areas, methanesulfonic acid (MSA; CH3SO3H) is present in considerable concentrations in the gas-phase and aerosols. It has been shown that MSA could contribute to growth and possibly form initial… read more here.
Keywords: methanesulfonic acid; sulfuric acid; formation; cluster dynamics ... See more keywords
Spatial distribution and potential sources of methanesulfonic acid in High Asia glaciers
Sign Up to like & getrecommendations! Published in 2021 at "Atmospheric Research"
DOI: 10.1016/j.atmosres.2020.105227
Abstract: Abstract As a receptor of atmospheric deposition, glaciers are considered an ideal archive in the study of climate change and geochemical cycles. The deposition of methanesulfonic acid (MSA) in the glaciers provides good opportunities to… read more here.
Keywords: high asia; asia glaciers; spatial distribution; methanesulfonic acid ... See more keywords
Kinetics and mineralogical analysis of copper dissolution from a bornite/chalcopyrite composite sample in ferric-chloride and methanesulfonic-acid solutions
Sign Up to like & getrecommendations! Published in 2019 at "Hydrometallurgy"
DOI: 10.1016/j.hydromet.2019.06.009
Abstract: Abstract Ore samples contain a variety of copper-bearing and gangue minerals that affect the leach kinetics. The kinetic behaviour of a natural ore sample (that contained 48.7% bornite and 15.8% chalcopyrite) in a solution of… read more here.
Keywords: methanesulfonic acid; copper; ferric chloride; bornite chalcopyrite ... See more keywords
Recycling LiCoO2 with methanesulfonic acid for regeneration of lithium-ion battery electrode materials
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2019.226828
Abstract: Abstract With the massive consumption of lithium-ion batteries in portable consumer electronics and electric vehicles, proper disposal of spent batteries is of paramount importance for sustainable development. In this study, biodegradable organic methanesulfonic acid (MSA)… read more here.
Keywords: electrode materials; lithium ion; acid; methanesulfonic acid ... See more keywords
Structural Effects of Amines in Enhancing Methanesulfonic Acid-Driven New Particle Formation.
Sign Up to like & getrecommendations! Published in 2020 at "Environmental science & technology"
DOI: 10.1021/acs.est.0c05358
Abstract: Atmospheric amines can enhance methanesulfonic acid (MSA)-driven new particle formation (NPF), but the mechanism is fundamentally different compared to that of the extensively studied sulfuric acid (SA)-driven process. Generally, the enhancing potentials of amines in… read more here.
Keywords: formation; driven npf; methanesulfonic acid; driven new ... See more keywords
The Role of Oxalic Acid in New Particle Formation from Methanesulfonic Acid, Methylamine, and Water.
Sign Up to like & getrecommendations! Published in 2017 at "Environmental science & technology"
DOI: 10.1021/acs.est.6b05056
Abstract: Atmospheric particles are notorious for their effects on human health and visibility and are known to influence climate. Though sulfuric acid and ammonia/amines are recognized as main contributors to new particle formation (NPF), models and… read more here.
Keywords: particle formation; water; oxalic acid; methanesulfonic acid ... See more keywords
Green Method To Preparing Oxindole-Fused Spirotetrahydrofuran Scaffolds through Methanesulfonic Acid-Catalyzed Cyclization Reactions of 3-Allyl-3-hydroxy-2-oxindole in Water
Sign Up to like & getrecommendations! Published in 2017 at "ACS Omega"
DOI: 10.1021/acsomega.7b01279
Abstract: Water is an ideal solvent for chemical transformations in environmentally friendly and sustainable processes. An operationally simple, metal-free, and green approach to the synthesis of oxindole-fused spirotetrahydrofurans from 3-allyl-3-hydroxy-2-oxindoles in water is described. This method… read more here.
Keywords: green method; water; oxindole fused; methanesulfonic acid ... See more keywords
Long‐Term Trends for Marine Sulfur Aerosol in the Alaskan Arctic and Relationships With Temperature
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Geophysical Research"
DOI: 10.1029/2020jd033225
Abstract: Marine aerosol plays a vital role in cloud‐aerosol interactions during summer in the Arctic. The recent rise in temperature and decrease in sea ice extent have the potential to impact marine biogenic sources. Compounds like… read more here.
Keywords: temperature; marine; sea; long term ... See more keywords
Methanesulfonic acid and iodous acid nucleation: a novel mechanism of marine aerosols
Sign Up to like & getrecommendations! Published in 2023 at "Physical Chemistry Chemical Physics"
DOI: 10.1039/d3cp01198d
Abstract: By seeding clouds, new particle formation (NPF) has a substantial impact on radiation balance, bio-geochemical cycles and global climate. Over oceans, both methanesulfonic acid (CH3S(O)2OH, MSA) and iodous acid (HIO2)... read more here.
Keywords: nucleation novel; iodous acid; novel mechanism; methanesulfonic acid ... See more keywords
Kinetic and Mechanism Studies Using Shrinking Core Model for Copper Leaching from Chalcopyrite in Methanesulfonic Acid with Hydrogen Peroxide
Sign Up to like & getrecommendations! Published in 2020 at "Mineral Processing and Extractive Metallurgy Review"
DOI: 10.1080/08827508.2020.1795850
Abstract: ABSTRACT An investigation on copper leaching from a chalcopyrite concentrate in methanesulfonic acid (MSA) and hydrogen peroxide at 75°C was carried out. Periodic additions of H2O2 were applied to enhance chalcopyrite dissolution and the reaction… read more here.
Keywords: mechanism; copper; leaching chalcopyrite; reaction ... See more keywords