Alternative Spectrofluorimetric Determination of Short-Chain Volatile Fatty Acids in Aqueous Samples

2009 ◽  
Vol 81 (8) ◽  
pp. 3063-3070 ◽  
Author(s):  
Fabien Robert-Peillard ◽  
Edwin Palacio-Barco ◽  
Yves Dudal ◽  
Bruno Coulomb ◽  
Jean-Luc Boudenne
Keyword(s):  
Fatty Acids ◽  
Volatile Fatty Acids ◽  
Short Chain ◽  
Aqueous Samples ◽  
Spectrofluorimetric Determination

Quantitative Gas-Chromatographic Determination of Short-Chain Fatty Acids in Aqueous Samples

1974 ◽  
Vol 20 (9) ◽  
pp. 1235-1237 ◽  
Author(s):  
Dennis P Collin ◽  
Patrick G McCormick ◽  
Milton G Schmitt
Keyword(s):  
Fatty Acids ◽  
Free Acid ◽  
Internal Standard ◽  
Short Chain Fatty Acids ◽  
Chromatographic Determination ◽  
Short Chain ◽  
Aqueous Samples ◽  
Peak Areas ◽  
Chain Fatty Acids

Abstract We report the use of SP-1200 (Supelco Inc.) for quantitative gas-chromatographic determination of short-chain fatty acids (C2-C5) in stool water. The ratio of peak areas for these acids to that for 2-methylvaleric acid (internal standard) is linear for each acid from 60 to 1800 mg/liter. Lactic acid, occasionally present in stool in abnormally high amounts, is not detectable as the free acid on SP-1200, but is determined as its propyl ester on diethyleneglycolsuccinate.

Determination of low molecular weight volatile fatty acids in aqueous samples

1980 ◽  
Vol 52 (2) ◽  
pp. 321-325 ◽  
Author(s):  
Michael J. Barcelona ◽  
Howard M. Liljestrand ◽  
James J. Morgan
Keyword(s):  
Fatty Acids ◽  
Molecular Weight ◽  
Volatile Fatty Acids ◽  
Low Molecular Weight ◽  
Aqueous Samples

Determination of soluble carbohydrates, lactic acid and volatile fatty acids in soils and biological media

1929 ◽  
Vol 19 (4) ◽  
pp. 649-655 ◽  
Author(s):  
V. Subrahmanyan
Keyword(s):  
Fatty Acids ◽  
Lactic Acid ◽  
Volatile Fatty Acids ◽  
Soluble Carbohydrates ◽  
Biological Media ◽  
Factors Affecting

Methods for extraction, concentration and determination of minute quantities of soluble carbohydrates, lactic acid and volatile fatty acids have been described. Different factors affecting the accuracy of the determinations have been studied and corrections, where necessary, have been suggested.

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