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ON THE DETERMINATION OF VOLATILE THIOLS IN BEER
Author(s) -
Sainsbury D. M.,
Maw G. A.
Publication year - 1967
Publication title -
journal of the institute of brewing
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.523
H-Index - 51
eISSN - 2050-0416
pISSN - 0046-9750
DOI - 10.1002/j.2050-0416.1967.tb03046.x
Subject(s) - chemistry , reagent , zinc , thiol , cadmium , hydrogen sulphide , cadmium acetate , aqueous solution , chromatography , organic chemistry , inorganic chemistry , sulfur
The method of Ikeya for the determination of volatile thiols in beer by aspiration of these compounds into mercuric acetate has been examined. Cadmium acetate has been found to be unsuitable as an absorbant for removing hydrogen sulphide since it also combines with thiols. This reagent has been replaced by aqueous zinc acetate in a separate absorption trap. The proposed modification has the advantage of enabling estimations of hydrogen sulphide and of volatile thiols to be carried out on the same sample.