Abstract
THE methods in general use for the determination of sulphur in animal and vegetable products for sulphur-balance experiments with cattle and sheep depend upon the oxidation of not more than a gram of material with copper nitrate (S. R. Benedict, 1909) or fusion with sodium peroxide (R. E. Evans, 1931). From a material like hay with a small percentage of sulphur, the amount of barium sulphate finally obtained from 1 gm. does not exceed 2-5 mgm., so that liability to error is considerable.
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Determination of Sulphur in Organic Products. Nature 137, 1040 (1936). https://doi.org/10.1038/1371040a0
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DOI: https://doi.org/10.1038/1371040a0