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NEN EN ISO 1157 : 1999

Current

Current

The latest, up-to-date edition.

PLASTICS - CELLULOSE ACETATE IN DILUTE SOLUTION - DETERMINATION OF VISCOSITY NUMBER AND VISCOSITY RATIO

Published date

12-01-2013

Defines a procedure which determines viscosity number and ratio of cellulose acetate in dilute solution in a dichloromethane and methanol mixture. Covers cellulose acetate with an acetic yield of not less than 50%.

DevelopmentNote
Supersedes NEN ISO 1157. (07/2003)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Current
Supersedes

Standards Relationship
DIN EN ISO 1157:1999-09 Identical
BS EN ISO 1157:2000 Identical
ISO 1157:1990 Identical
UNE-EN ISO 1157:2000 Identical
EN ISO 1157 : 1999 Identical
UNI EN ISO 1157 : 2001 Identical
I.S. EN ISO 1157:1999 Identical

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