METHOD OF SPECIFYING CRUDE FIBER IN VEGETABLE RAW MATERIAL Russian patent published in 2009 - IPC G01N33/50 

FIELD: agriculture.

SUBSTANCE: invention relates to plant cultivation, namely to the methods of specifying vegetable raw material composition. The method implies that a portion of crushed dry or brought up to constant mass raw material is defatted if necessary in the mixture of ethyl alcohol and diethyl ether in the proportion of 1:1, then reaction mixture containing ethyl alcohol, nitric and acetic acids in the proportion 1:1:8 is added to the portion, complete hydrolysis is carried out in UHF mineraliser for at least 8 minutes, the portion is filtered, dried in UHF mineraliser up to constant weight and fibre content is specified according to the difference of weights. The invention ensures rapidness, minimal environmental pollution, automatisation of oxidising hydrolysis and drying process, absence of factors impeding objectivity of the analysis.

EFFECT: ensuring rapidness, minimal environmental pollution, automatisation of oxidising hydrolysis and drying process, absence of factors impeding objectivity of the analysis.

2 cl, 7 ex, 1 tbl