90.93 Standard confirmed Jan 13, 2022
ISO
ISO/TC 34/SC 3 Fruits and vegetables and their derived products
International Standard
67.080.01 Fruits, vegetables and derived products in general
The method consists in decomposing of organic matter in a sulfuric-nitric acid medium, reducing of mercury(II) to metallic mercury by the action of tin(II)chloride, entraining of the mercury vapour by a current of air and determing in an enclosed apparatus.
PUBLISHED
ISO 6637:1984
90.93
Standard confirmed
Jan 13, 2022
ABANDON
ISO/DIS 6637