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18/30367544 DC : DRAFT APR 2018

Current
Current

The latest, up-to-date edition.

BS ISO 21257 - PLASTICS - POLYMER POLYOLS FOR USE IN THE PRODUCTION OF POLYURETHANE - DETERMINATION OF THE RESIDUAL ACRYLONITRILE AND STYRENE MONOMER CONTENT BY GAS CHROMATOGRAPHY
Published date

04-24-2018

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents and materials
6 Apparatus
7 Preparation of calibration solution
   and sample solution
8 Procedure
9 Expression of the results
10 Precision
11 Test report
Annex A (informative) - Typical analytical
        conditions
Annex B (informative) - Typical examples of
        GC chromatogram
Annex C (informative) - Precision

BS ISO 21257.

Committee
PRI/42
DocumentType
Draft
PublisherName
British Standards Institution
Status
Current

ISO 1042:1998 Laboratory glassware One-mark volumetric flasks
ISO 648:2008 Laboratory glassware — Single-volume pipettes
ISO 472:2013 Plastics Vocabulary

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