2011
DOI: 10.1590/s0100-40422011000100029
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Validação de método para determinação de ácidos orgânicos voláteis em efluentes de reatores anaeróbios empregando cromatografia líquida

Abstract: Recebido em 24/3/10; aceito em 16/6/10; publicado na web em 9/11/10 METHOD VALIDATION FOR THE DETERMINATION OF VOLATILE FATTY ACIDS IN WASTEWATERS FROM ANAEROBIC REACTORS EMPLOYING LIQUID CHROMATOGRAPHY. This work deals with the method validation for the determination of acetic, propionic and butyric acids (VFAs) in wastewaters from anaerobic reactors by HPLC-DAD. Separation was performed using a C18 column and the mobile phase composition were water pH 3.0 and methanol 90:10 (v/v). The detection and quantific… Show more

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Cited by 10 publications
(3 citation statements)
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“…The hydrolytic metabolism performed by enzymes such as amylases, lipases, ligninases, cellulases and proteases breaks down organic matter into simpler compounds, including sugars, amino acids, fatty acids, and peptides. This hydrolysis is generally carried out by the metabolic activity of anaerobic bacteria associated to the genera Streptococcus and enterobacteria (Kunz et The analysis of parameters found for volatile solids, volatile organic acids (FOS) and total inorganic carbon (TAC) show the rich nutritional composition of the evaluated substrate (carbon sources) for the development of the microbial community studied (Cerqueira et al 2011). The concentrations of volatile solids, FOS, and TAC, found in the inoculum were 659.10 g kg -1 , 717.70 g kg -1 , 70005.0 g kg -1 , respectively, which correspond to a large amount of material, including volatile organic acids (acetic, propionic, and butyric acids) and inorganic carbon (Cerqueira et al 2011).…”
Section: Metabarcoding Analyzesmentioning
confidence: 99%
“…The hydrolytic metabolism performed by enzymes such as amylases, lipases, ligninases, cellulases and proteases breaks down organic matter into simpler compounds, including sugars, amino acids, fatty acids, and peptides. This hydrolysis is generally carried out by the metabolic activity of anaerobic bacteria associated to the genera Streptococcus and enterobacteria (Kunz et The analysis of parameters found for volatile solids, volatile organic acids (FOS) and total inorganic carbon (TAC) show the rich nutritional composition of the evaluated substrate (carbon sources) for the development of the microbial community studied (Cerqueira et al 2011). The concentrations of volatile solids, FOS, and TAC, found in the inoculum were 659.10 g kg -1 , 717.70 g kg -1 , 70005.0 g kg -1 , respectively, which correspond to a large amount of material, including volatile organic acids (acetic, propionic, and butyric acids) and inorganic carbon (Cerqueira et al 2011).…”
Section: Metabarcoding Analyzesmentioning
confidence: 99%
“…• Efeito matriz O efeito matriz foi amplamente estudado por ser considerado como fonte de erro quantitativo devido à interferência de componentes da matriz (Cerqueira, et al, 2011).…”
Section: • Efeito Residualunclassified
“…O efeito matriz tem sido amplamente estudado por ser considerado como fonte de erro quantitativo devido à interferência de componentes da matriz (Cerqueira et al, 2011).…”
Section: Efeito Matrizunclassified