Reference number
ISO 6636-1:1986
© ISO 2025
International Standard
ISO 6636-1:1986
Fruits, vegetables and derived products — Determination of zinc content — Part 1: Polarographic method
Edition 1
1986-04
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Published (Edition 1, 1986)
This publication was last reviewed and confirmed in 2022. Therefore this version remains current.

ISO 6636-1:1986

Language
Format
CHF 43
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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

  • Status
     : Published
    Publication date
     : 1986-04
    Stage
    : International Standard confirmed [90.93]
  • Edition
     : 1
    Number of pages
     : 3
  • Technical Committee :
    ISO/TC 34/SC 3
    ICS :
    67.080.01 
  • RSS updates

Life cycle

Sustainable Development Goals

This standard contributes to the following Sustainable Development Goals

12
Responsible Consumption and Production
3
Good Health and Well-being
2
Zero Hunger
13
Climate Action
15
Life on Land

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