Determination of calorific value of feedstuffs by chromic acid oxidation | Zendy

O'shea J. | Zendy; Maguire M. F. | Zendy

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Determination of calorific value of feedstuffs by chromic acid oxidation

Author(s) -

O'shea J.,

Maguire M. F.

Publication year - 1962

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.2740131005

Subject(s) - potassium dichromate , chromic acid , heat of combustion , chemistry , calorimetry , potassium , nuclear chemistry , inorganic chemistry , organic chemistry , combustion , physics , thermodynamics

A method is described for the determination of the calorific value of feedstuffs by oxidation with a solution of potassium dichromate in sulphuric acid. Energy values are obtained by dividing the amount of 1.5N‐dichromate used to oxidise 1 g. of material by a factor dependent on the protein content. The technique is simple, rapid, applicable to large numbers of samples and gives results in good agreement with those obtained by bomb calorimetry.

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