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NEN EN ISO 307 : 2007 AMD 1 2013

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

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withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

PLASTICS - POLYAMIDES - DETERMINATION OF VISCOSITY NUMBER
Withdrawn date

01-06-2019

Published date

12-01-2013

Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Preparation of test samples
8 Calculation of mass of test portion
9 Selection of solvent
10 Procedure
11 Expression of results
12 Repeatability and reproducibility
13 Relationship between the viscosity number determined
   in 96% (by mass) sulfuric acid solution and viscosity
   number determined in various other solvents
14 Test report
Annex A (normative) - Determination of the concentration of
        commercial sulfuric acid [95% (by mass) to 97%
        (by mass)] and adjustment to 96% (by mass)

Defines a method for the determination of the viscosity number of dilute solutions of polyamides in certain specified solvents.

DevelopmentNote
Supersedes NEN ISO 307. (09/2003)
DocumentType
Standard
PublisherName
Netherlands Standards
Status
Withdrawn
SupersededBy
Supersedes

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