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ISO 6636-1:1986

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

Standard Details

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
Standard Type: Main
Document No: ISO 6636-1:1986
Document Year: 1986
Pages: 3
Edition: 1
  • ICS:
  • 67.080.01 Fruits, vegetables and derived products in general

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ISO 6636-1:1986
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