ISO 6636-1:1986 Fruits, vegetables and derived products Determinatio

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Fruits, vegetables and derived products Determination of zinc content Part 1: Polarographic method

Available format(s)

Hardcopy , PDF 1 User , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English, French

Published date

24-04-1986

Publisher

International Organization for Standardization

The method consists in ashing of a test portion in a muffle furnace at 525+25 C, treating the ash obtained with hydrochloric acid, neutralizing with ammonia solution and determing of the value using an ammonia/ammonium chloride electrolyte. Copper, tin, lead and cadmium do not interfere.

DocumentType	Standard
Pages	3
PublisherName	International Organization for Standardization
Status	Current

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