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A simple method for determining small amounts of formaldehyde in silage
Author(s) -
Neumark H.
Publication year - 1965
Publication title -
journal of the science of food and agriculture
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.782
H-Index - 142
eISSN - 1097-0010
pISSN - 0022-5142
DOI - 10.1002/jsfa.2740161106
Subject(s) - formaldehyde , silage , chromotropic acid , reagent , hydrazone , chemistry , organic chemistry , chromatography , food science
A method is described by which formaldehyde, present in silage, is precipitated by 2,4‐dinitrophenylhydrazine and the formaldehyde, liberated from the hydrazone by hot concentrated sulphuric acid, is assayed photometrically with chromotropic acid reagent.