Reference number
ISO 6636-1:1986
International Standard
ISO 6636-1:1986
Fruits, vegetables and derived products — Determination of zinc content — Part 1: Polarographic method
Edition 1
1986-04
Read sample
ISO 6636-1:1986
13054
Published (Edition 1, 1986)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 6636-1:1986

ISO 6636-1:1986
13054
Language
Format
CHF 42
Convert Swiss francs (CHF) to your currency

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.

General information

  •  : Published
     : 1986-04
    : International Standard confirmed [90.93]
  •  : 1
     : 3
  • ISO/TC 34/SC 3
    67.080.01 
  • RSS updates

Life cycle

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