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Estudo da modificação de bentonita para a remoção de fenol em águas produzidas na indústria de petróleo
(Universidade Federal do Rio Grande do NorteBRUFRNPrograma de Pós-Graduação em QuímicaFísico-Química; Química, 2009-09-03)
This study evaluates the inclusion of quaternary ammonium salt, bromide hexadecyl trimethyl ammonium (HDTMA-Br) on sodium bentonite to evaluate their performance on the adsorption of phenol present in produced water. It ...
The antibacterial effects for Salmonella Enteritidis phage type 4 of different chemical disinfectants and cleaning agents tested under different conditions
(1996-12-01)
A selection of commercially available disinfectants, sanitizers and water sanitizers based on iodophor, quaternary ammonium compounds (QACs) and phenolic compounds were tested for their activity against a phage type 4 ...
The antibacterial effects for Salmonella Enteritidis phage type 4 of different chemical disinfectants and cleaning agents tested under different conditions
(1996-12-01)
A selection of commercially available disinfectants, sanitizers and water sanitizers based on iodophor, quaternary ammonium compounds (QACs) and phenolic compounds were tested for their activity against a phage type 4 ...
Especiação química de arsênio em amostras de arroz empregando extração por fase sólida in-situ e determinação por FI-HG AASArsenic speciation in rice samples using in situ solid phase extraction and determination by FI-HG AAS
(Universidade Federal de UberlândiaBrasilPrograma de Pós-graduação em Química, 2018)
Synthesis and surface-active properties of novel cleavable gemini surfactants
(Springer Heidelberg, 2021-09)
A novel series of quaternary ammonium gemini compounds having a butynylene spacer and different hydrocarbon chain lengths (CGBu8-16) were prepared. Carbonate group inserted between the hydrocarbon chains and the polar heads ...
Ionic liquids intercalated in montmorillonite as the sorptive phase for the extraction of low-polarity organic compounds from water by rotating-disk sorptive extraction
(Elsevier B.V., 2017)
© 2016 Elsevier B.V. Montmorillonite (MMT) clays were modified by the intercalation into their galleries of ionic liquids (IL) based on imidazolium quaternary ammonium salts. This new eco-materials exhibited good features ...
Activity of disinfectants against foodborne pathogens in suspension and adhered to stainless steel surfaces
(Sociedade Brasileira de Microbiologia, 2012-09-01)
The purpose of this study was to investigate and compare the efficacy of various disinfectants on planktonic cells and biofilm cells of Listeria monocytogenes, Staphylococcus aureus and Escherichia coli. Numbers of viable ...
Activity of disinfectants against foodborne pathogens in suspension and adhered to stainless steel surfaces
(Sociedade Brasileira de Microbiologia, 2012-09-01)
The purpose of this study was to investigate and compare the efficacy of various disinfectants on planktonic cells and biofilm cells of Listeria monocytogenes, Staphylococcus aureus and Escherichia coli. Numbers of viable ...
Separação e identificação de constituintes químicos polares dos galhos de Porcelia Macrocarpa
(Sociedade Brasileira de Química, 2014)