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NEN ISO 1157 : 1992

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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

Published date

12-01-2013

Superseded date

01-06-1999

Superseded by

NEN EN ISO 1157 : 1999

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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Superseded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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