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SRPS ISO 6636-1:2011

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

Jan 31, 2011

General information

90.93     May 3, 2016

90.20    Apr 15, 2021

ISS

E034-3

International Standard

67.080.01  

English  

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Scope

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.

Life cycle

NOW

PUBLISHED
SRPS ISO 6636-1:2011
90.93 Standard confirmed
May 3, 2016

Related project

Adopted from ISO 6636-1:1986