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SN EN ISO 307 : 2007 AMD 1 2013

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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 - POLYAMIDES - DETERMINATION OF VISCOSITY NUMBER (ISO 307:2007/AMD 1:2013)

Superseded date

17-09-2021

Superseded by

SN EN ISO 307:2019

Published date

12-01-2013

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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.

Committee
INB/NK 177
DocumentType
Standard
PublisherName
Swiss Standards
Status
Superseded
SupersededBy

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