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BS ISO 16152:2005

BS ISO 16152:2005

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Plastics. Determination of xylene-soluble matter in polypropylene

Available format(s)

Hardcopy , PDF

Superseded date

20-06-2022

Language(s)

English

Published date

03-10-2005

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Terms and definitions
3 Apparatus
4 Reagents
5 Procedure
  5.1 Preparation of the xylene
  5.2 Determination of level of impurities in the
      xylene (solvent blank)
  5.3 Determination of percentage xylene-soluble matter
      in the polypropylene
6 Calculations
7 Precision and bias
8 Test report

Specifies a method for determining the mass fraction of a polypropylene homopolymer or copolymer which is soluble in xylene at 25 degree C.

1.1 This International Standard specifies a method for determining the mass fraction of a polypropylene homopolymer or copolymer which is soluble in xylene at 25°C.

1.2 A weighed amount of dried sample is dissolved in xylene under reflux conditions, then cooled under controlled conditions and maintained at 25°C to ensure controlled crystallization of the insoluble fraction.

1.3 The xylene-soluble fraction is then recovered by evaporation of the xylene and determined by weighing the residue.

1.4 Other materials with solubilities similar to that of the xylene-soluble fraction, such as additives, may interfere with the determination.

Committee
PRI/82
DocumentType
Standard
Pages
16
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
ISO 16152:2005 Identical

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Hardcopy - English
PDF - English
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