Results 71 to 80 of about 91,095 (298)
, 2002 This paper describes a spectrophotometric method for the paraformaldehyde analysis in industrial and commercial disinfectant samples using chromotropic acid, concentrated hydrochloridric acid and hydrogen peroxide.
Fagnani, Enelton [UNESP] +3 more
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Fotografía de Villares Cano, Gloria. Decana de Quimica. Día 4 de junio de 2002
, 2020 Fotografía de Villares Cano, Gloria. Decana de Quimica.
Urbina, Luis
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Tecnologias alternativas para a remoção de poluentes em matrizes aquosas
, 2005 Estágio realizado na Alquimica Quimica Indústrial, Lda.Relatório de Estágio PRODEP IIIRelatório do Estágio Curricular da LEQ 2004 ...
Oliveira, Eliana Maria Santos de
core +1 more source
Preparação e Caracterização de Blendas Híbridas de Poliacrilonitrila e Quitosana
Orbital: The Electronic Journal of Chemistry, 2015 In this work we report O estudo da interação de íons Fe(II) com a polianilina foi feito através da obtenção deste polímero na forma de salthe studies on polymer blend using the polymers polyacrylonitrile (PAN) and chitosan (CHI) in two compositions ...
Alessandro da Cruz Seabra +3 more
doaj
Spectrophotometric determination of glycolic acid with chromotropic acid assisted by microwave oven
, 2002 In this work, a rapid, simple and selective spectrophotometric for the determination of glycolic acid is proposed. This method is based on selective reaction between the formaldehyde splitted off by the glycolic acid, which reacts with chromotropic acid ...
Pezza, Leonardo [UNESP] +2 more
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, 2000 Centro de Informacion y Documentacion Cientifica (CINDOC). C/Joaquin Costa, 22. 28002 Madrid.
Real Sociedad EspaNola de Quimica - RSEQ, Madrid (Spain). Grupo Especializado de Quimica Inorganica +1 more
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Alkali‐Catalyzed Synthesis of Acylglycerol Estolides Exclusively from Castor Oil
Journal of the American Oil Chemists' Society, EarlyView.This work advances sustainable chemistry by converting renewable castor oil into high‐performance estolides via solvent‐free, low‐energy catalysis. ABSTRACT Estolides are oligomers composed of fatty acid (FA) monomers linked through secondary ester bonds located along the mid‐chain region.
Lucas Natã de Melo +3 more
wiley +1 more source
Novel Kinetic Resolution of Thiazolo-Benzimidazolines Using MAO Enzymes
ACS Omega, 2023 Valentina Villamil +7 more
doaj +1 more source