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BS ISO 14899:2001

BS ISO 14899:2001

Superseded

Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

View Superseded by
superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.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. Polyols for use in the production of polyurethane. Determination of basicity

Available format(s)

Hardcopy , PDF

Superseded date

29-07-2022

Language(s)

English

Published date

15-05-2001

Publisher

British Standards Institution

Contents
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Sampling
6 Interferences
7 Reagents
8 Apparatus
9 Procedure
10 Expression of results
11 Precision and bias
12 Test report
Bibliography

This standard provides a method for the measurement of trace amounts of basic materials present in polyether polyols used in the production of polyurethanes.

This International Standard specifies a method for the measurement of trace amounts of basic materials present in polyether polyols used in the production of polyurethanes. It is important to know the trace amount of basicity in a polyol to prevent gelation of the reaction mass during the production of polyurethane prepolymers. It is also useful to control the basicity in polyols used for polyurethane production to assure consistent and reproducible reaction behaviour. This method is suitable for quality control, as a specification test and for research.

The applicable range is 0 μg to 50 μg/g, expressed as KOH. The method is not applicable to amine-based polyols. The values may be reported as CPR (controlled polymerization rate) units.

Committee
PRI/42
DevelopmentNote
Supersedes 99/121624 DC. (07/2005) Reviewed and Confirmed by BSI, July 2006. (07/2006)
DocumentType
Standard
Pages
14
PublisherName
British Standards Institution
Status
Superseded
SupersededBy
Supersedes

Standards Relationship
ISO 14899:2001 Identical

ISO 6353-1:1982 Reagents for chemical analysis — Part 1: General test methods
ASTM E 180 : 2003 Standard Practice for Determining the Precision of ASTM Methods for Analysis and Testing of Industrial and Specialty Chemicals (Withdrawn 2009)
ISO 6353-3:1987 Reagents for chemical analysis — Part 3: Specifications — Second series
ISO 3696:1987 Water for analytical laboratory use — Specification and test methods

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PDF - English
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