An improved gas chromatographic method of determination of volatile fatty acids and short-chain alcohols in silages

acetic acid acetona acetone acide butyrique acide gras volatil acide propionique acido acetico acido caproico acido propionico alcoholes alcohols alcool butanol butyric acid caproic acid chromatographie en phase gazeuse ensilado ensilage (produit) etanol ethanol gas chromatography metanol methanol propionic acid silage temperatura temperature temps tiempo time volatile fatty acids