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ISO 6654:1991
M00000674
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ISO 6654:1991 Animal feeding stuffs - Determination of urea content
standard by International Organization for Standardization, 03/01/1991
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Full Description
Specifies a spectrometric method for the determination of the urea content. Gives a normative reference to ISO 6498:1983. Defines the term urea content. Describes principle, reagents, apparatus, sampling, preparation of the test sample, procedure, expression of results and test report.