ISO 6636-1:1986

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

STANDARD published on 24.4.1986

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The information about the standard:

Designation standards: ISO 6636-1:1986
Publication date standards: 24.4.1986
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: International technical standard
Category: Technical standards ISO

Annotation of standard text ISO 6636-1:1986 :

Description / Abstract: 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.