ISO 6636-1:1986
Fruits, vegetables and derived products — Determination of zinc content — Part 1: Polarographic method
OVERVIEW
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.
COMMENTS
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PRODUCT DETAILS
Status | Current |
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Edition | 1986 |
No. of Pages | 3 |
ICS Classification | 67.080.01 Fruits, vegetables and derived products in general |
Committee | ISO/TC 34/SC 3 |
Available for Purchase | For sale in Singapore only |
Adoption | ISO |