ISO 6636-1:1986

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

OVERVIEW

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.

COMMENTS

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PRODUCT DETAILS

Status Current
Edition 1986
No. of Pages 3
ICS Classification 67.080.01 Fruits, vegetables and derived products in general
Committee ISO/TC 34/SC 3
Available for Purchase For sale in Singapore only
Adoption ISO