Plastics. Polymer dispersions. Determination of free formaldehyde

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

09-10-2001

Publisher

British Standards Institution

1 Scope
2 Normative references
3 Principle
4 Interference
5 Reagents (methods A and B)
6 Apparatus
7 Procedure
8 Calculation
9 Precision for method B
10 Test report
Bibliography

Specifies methods for the determination of free formaldehyde (HCHO) in polymer dispersions. The procedure has been evaluated using acrylic, acrylonitrile butadiene, carboxylated styrenebutadiene and vinyl acetate polymer dispersions. Applicable to polymer dispersions of other compositions.

This International Standard describes two methods for the determination of free formaldehyde (HCHO) in polymer dispersions. The procedure has been evaluated using acrylic, acrylonitrile butadiene, carboxylated styrenebutadiene and vinyl acetate polymer dispersions. Both test methods may also be applicable to polymer dispersions of other compositions.

Method A is the preferred method for polymer dispersions with a free-formaldehyde content higher than 10 mg/kg. Method B is recommended if lower formaldehyde contents have to be determined or arbitration analyses have to be carried out.

Both methods minimize changes in free-formaldehyde concentration that can result from changes in the physical or chemical properties of polymer dispersions.

There are no known limitations to these methods when used in the manner described.

Committee	PRI/21
DevelopmentNote	Supersedes 98/120980 DC (10/2001) Reviewed and Confirmed by BSI, October 2006. (09/2006)
DocumentType	Standard
Pages	20
PublisherName	British Standards Institution
Status	Current
Supersedes	98/120980 DC : MAR 98

Standards	Relationship
ISO 15373:2001	Identical

ASTM E 682 : 1992	Standard Practice for Liquid Chromatography Terms and Relationships
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
ISO 2227:1972	Formaldehyde solutions for industrial use — Determination of formaldehyde content

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BS ISO 15373:2001

Plastics. Polymer dispersions. Determination of free formaldehyde

Table of Contents

Abstract

Scope

General Product Information

International Equivalents

Standards Referencing This Book

Category

Subcategory