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
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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 |
| UNE-EN ISO 1157:2000 | Identical |
| ISO 1157:1990 | Identical |
| EN ISO 1157 : 1999 | Identical |
| I.S. EN ISO 1157:1999 | Identical |
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