Determination of sodium chloroacetates in cocoamide propyl betaine by gas chromatography
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International Journal of Latest Engineering and Management Research
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This study regards a development of analytical method for determination of sodium monochloroacetate MCAS and sodium dichloroacetate DCAS incocoamidepropyl betaine CAPB by gas chromatography. CAPB is a feedstock for consumer products of the cosmetic and household segments and MCAS and DCAS are toxic, irritating and harmful impurities, so that, low contents are required (parts per million level) in process control of producers and regulatory affairs. To this end, the analytical method developed has: 1) appropriate performance parameters precision, accuracy and low quantification limit; 2) alternative detection modes by flame ionization FID and mass spectrometer MS, since the most conventional electron capture detector ECDrequires government control andqualified radiological protection from manufacturer due radioactive source 63Ni; 3) efficient analyte derivation and separation by employ ethanol and liquid-liquid extraction, respectively. The validation process was applied to ensure a selective, robust, accurate and reproducible analytical determination for the developed methodologies.
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LEAO, CLAUDIO; BUSTILLOS, OSCAR V. Determination of sodium chloroacetates in cocoamide propyl betaine by gas chromatography: FID, ECD and MS. International Journal of Latest Engineering and Management Research, v. 4, n. 11, p. 90-102, 2019. Disponível em: http://repositorio.ipen.br/handle/123456789/30827. Acesso em: 30 Dec 2025.
Esta referência é gerada automaticamente de acordo com as normas do estilo IPEN/SP (ABNT NBR 6023) e recomenda-se uma verificação final e ajustes caso necessário.