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ISO 5520:1981
Fruits, vegetables and derived products — Determination of alkalinity of total ash and of water-soluble ash
Automatically translated name:
Fruits, vegetables and derived products -- Determination of alkalinity of total ash and of water-soluble ash
STANDARD published on 1.8.1981
The information about the standard:
Designation standards: ISO 5520:1981
Publication date standards: 1.8.1981
SKU: NS-433007
The number of pages: 3
Approximate weight : 9 g (0.02 lbs)
Country: International technical standard
Category: Technical standards ISO
The category - similar standards:
Annotation of standard text ISO 5520:1981 :
Description / Abstract: After incineration of the product at 525 +/- 25 degrees centigrade the method consists in a) in the case of total ash: addition of an excess of standard volumetric sulphuric acid solution and back titration with standard volumetric sodium hydroxide solution, b) in the case of water-soluble ash: extraction of the ash with hot water and neutralization of the aqueous extract with standard volumetric sulphuric acid solution.
Similar standards:
7.10.2004
1.10.2004
28.11.1991
1.12.1982
8.6.1989
1.10.1981
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