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Overview ISO 6636-2:1981 - "Fruits, vegetables and derived products - Determination of zinc content - Part 2: Atomic absorption spectrometric method" specifies an atomic absorption spectrometry (AAS)…
Overview ISO 6636-1:1986 specifies a polarographic method for the determination of zinc content in fruits, vegetables and derived products. The procedure covers sample drying and ashing, acid digesti…
Overview ISO 6636-3:1983 is an international standard developed by ISO for the determination of zinc content in fruit and vegetable products using the dithizone spectrometric method. This method is e…