SIDS INITIAL ASSESSMENT PROFILE Chemical Category Name Alkyl Sulfates, Alkane Sulfonates and α-Olefin Sulfonates
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Reactivity and fate of secondary alkane sulfonates (SAS) in marine sediments.
This research is focused on secondary alkane sulfonates (SAS), anionic surfactants widely used in household applications that access aquatic environments mainly via sewage discharges. We studied their sorption capacity and anaerobic degradation in marine sediments, providing the first data available on this topic. SAS partition coefficients increased towards those homologues having longer alkyl...
متن کاملRecent Studies on the Production of Sodium Alpha Olefin Sulfonates as Concentrates and Dry Products
Production of sodium alpha olefin sulfonates from a variety of normal alpha olefin blends has been studied at the pilot plant scale. Results for the sulfonation, neutralization, and hydrolysis of commercial grade C14, C1416, C1418, and C1224 normal alpha olefins are presented, and the application of a new surfactant drying technology for producing ultra-concentrated AOS is discussed. Physical p...
متن کاملEcological and health risk assessment of linear alkylbenzene sulfonates in Doroodzan Dam (Fars)
Background and Objective: Nowadays linear alkyl benzene sulfanate (LAS) is widely used in the production of various detergents. The purpose of this study was to assess the health and ecological hazards of this pollutant on target organisms such as fish and daphnia in the Doroodzan Dam water. Materials and Methods: According to the research objective and given existing restrictions, 21 water sa...
متن کاملDetermination and occurrence of secondary alkane sulfonates (SAS) in aquatic environments.
A new methodology has been developed for the determination of secondary alkane sulfonates (SAS), an anionic surfactant, in environmental matrices. Sediment and sludge samples were extracted using pressurized liquid extraction and sonication, whereas wastewater and surface water samples were processed using solid-phase extraction. Extraction recoveries were acceptable for both aqueous (78-120%) ...
متن کاملDetermination of genotoxic alkyl methane sulfonates and alkyl paratoluene sulfonates in lamivudine using hyphenated techniques
Two highly sensitive methods for the determination of genotoxic alkyl methane sulfonates (AMSs) and alkyl paratoluene sulfonates (APTSs) in lamivudine using hyphenated techniques have been presented. AMSs were determined by GC-MS method using GSBP-INOWAX (30 m×0.25 mm×0.25 μm) column. Temperature program was set by maintaining at 100 °C initially for 3 min, then rised to 220 °C at the rate of 1...
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تاریخ انتشار 2008