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ISO 1956-1:1982
ISO 1956-2:1989
ISO 2169:1981-ed.2.0..
ISO 2173:2003-ed.2.0..
ISO 22855:2008
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ISO 5523:1981
Liquid fruit and vegetable products — Determination of sulphur dioxide content (Routine method)
Automatically translated name:
Liquid fruit and vegetable products -- Determination of sulphur dioxide content (Routine method)
STANDARD published on 1.8.1981
The information about the standard:
Designation standards: ISO 5523:1981
Publication date standards: 1.8.1981
SKU: NS-433010
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 5523:1981 :
Description / Abstract: The determination of free sulphur dioxide consists in direkt iodometric titration of the product at a pH between 0,7 and 1, followed by blank titration of the product, freed from sulphur dioxide by boiling under reflux or by binding its free sulphur dioxide content with an exess of acetaldehyde or propioaldehyde. The bond sulphur dioxide is determined after titration of free compound, rendering of the produkt alkaline and titration of the sulphur dioxideliberated by hydrolysis with iodine in an acid medium.
Similar standards:
28.11.1991
1.12.1982
8.6.1989
1.10.1981
19.11.2003
15.1.2008
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