NEN ISO 1157 : 1992
Superseded
Superseded
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PLASTICS - CELLULOSE ACETATE IN DILUTE SOLUTION - DETERMINATION OF VISCOSITY NUMBER AND VISCOSITY RATIO
Published date
01-12-2013
Publisher
Superseded date
06-01-1999
Superseded by
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Defines a method for determining the viscosity number and viscosity ratio of cellulose acetate in dilute solution in a mixture of dichloromethane and methanol. Applies to cellulose acetate with not less than 50% acetic acid yield.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Superseded
|
| SupersededBy |
| Standards | Relationship |
| ISO 1157:1990 | Identical |
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