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Rubber - Dissolution by acid digestion
STANDARD published on 1.12.1992
Designation standards: ČSN 621115
Classification mark: 621115
Catalog number: 29597
Publication date standards: 1.12.1992
SKU: NS-131266
The number of pages: 8
Approximate weight : 24 g (0.05 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
Tato norma předepisuje metody rozkladu surových kaučuků a pryží působením kyseliny dusičné nebo směsí kyselin dusičné a sírové. Uvádí dvě metody: beztlakovou metodu A (rozklad kyselinami v otevřené nádobě) a tlakovou metodu B (rozklad kyselinami v uzavřené tlakové nádobě)
WITHDRAWN
22.10.1985
1.12.1992
14.4.1981
WITHDRAWN
1.3.1994
1.2.1993
WITHDRAWN
1.11.1992
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