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.
Status: PublishedPublication date: 1986-04
Edition: 1Number of pages: 3
Technical Committee: ISO/TC 34/SC 3 Fruits and vegetables and their derived products
Buy this standard
|std 1 40|
|std 2 40||Paper|