ISO 5523:1981
Current
The latest, up-to-date edition.
Liquid fruit and vegetable products — Determination of sulphur dioxide content (Routine method)
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English, French
01-08-1981
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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.
| Committee |
ISO/TC 34/SC 3
|
| DocumentType |
Standard
|
| Pages |
3
|
| ProductNote |
THIS STANDARD ALSO REFER TO ISO/R 385
|
| PublisherName |
International Organization for Standardization
|
| Status |
Current
|
| Standards | Relationship |
| IS 17558 : 2021 | Identical |
| PN 90/A-79120.10 : 1990 | Identical |
| PN 90/A-75101.23 : 1990 | Identical |
| 17/30303052 DC : 0 | BS ISO 19942 - MAIZE (ZEA MAYS L.) - SPECIFICATION |
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