719501

ISO 6636-1:1986

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

standard by International Organization for Standardization , 04/01/1986

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Full Description

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.

 

Product Details

Published:
04/01/1986
Number of Pages:
3
File Size:
1 file , 660 KB
Note:
This product is unavailable in Ukraine, Russia, Belarus