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I.S. EN ISO 307:2007

Withdrawn

Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

View Superseded by

PLASTICS - POLYAMIDES - DETERMINATION OF VISCOSITY NUMBER (ISO 307:2007)

Available format(s)

Hardcopy , PDF

Withdrawn date

30-11-2019

Superseded by

I.S. EN ISO 307:2019

Language(s)

English

Published date

01-01-2007

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.


Dates of withdrawal of national standards are available from NSAI.

€70.00
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Foreword
Introduction
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 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 the viscosity
   determined in various solvents
14 Test report
Annex A (informative) - Determination of the concentration of
                        commercial sulfuric acid (95% to 98%)
                        and adjustment to 96% by titration
Annex B (informative) - Determination of the concentration of
                        sulfuric acid (95% to 98%) and adjustment
                        to 96% by flow time measurement in a small
                        capillary viscometer
Annex C (informative) - Determination of the concentration of
                        commercial formic acid and adjustment to
                        90% by titration
Annex D (informative) - Determination of the concentration of
                        commercial formic acid and adjustment to
                        90% by density measurement
Annex E (informative) - Relationship between the viscosity number
                        determined in 96% (by mass) sulfuric acid
                        solution and the viscosity determined in
                        various solvents
Bibliography

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

DocumentType
Standard
Pages
57
PublisherName
National Standards Authority of Ireland
Status
Withdrawn
SupersededBy
Supersedes

ISO 1628-1:2009 Plastics Determination of the viscosity of polymers in dilute solution using capillary viscometers Part 1: General principles
ISO 1874-1:2010 Plastics Polyamide (PA) moulding and extrusion materials Part 1: Designation system and basis for specification
ISO 1042:1998 Laboratory glassware — One-mark volumetric flasks
ISO 15512:2016 Plastics Determination of water content
ISO 3105:1994 Glass capillary kinematic viscometers — Specifications and operating instructions
ISO 3451-4:1998 Plastics — Determination of ash — Part 4: Polyamides

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