BS ISO 24293:2009
Current
The latest, up-to-date edition.
Hardcopy , PDF
English
31-08-2009
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Reagents
5 Apparatus
6 Sampling and sample pretreatment
7 Procedures
7.1 Solid phase extraction
7.2 Clean up
7.3 GC/MS operating conditions
7.4 Blank determination
7.5 Identification
8 Calibration
8.1 General requirements
8.2 Calibration over the total procedure with internal
standard
9 Calculation
9.1 Calculation of contribution of individual isomers
of nonylphenol in technical mixture
9.2 Calculation of relative response factor of
individual isomers of nonylphenol
9.3 Quantification of individual isomers of nonylphenol
using relative response factor
9.4 Calculation of internal standard recovery
10 Expression of results
11 Test report
Annex A (informative) - Sorbent example
Annex B (informative) - Suitable capillary column
Annex C (informative) - Examples of chromatograms
Annex D (informative) - Example of FID chromatogram and
composition ratio (%) of isomers
in 4-nonylphenol standard
Annex E (informative) - Method performance data
Annex F (informative) - Description of the matrices of
the samples used for the
interlaboratory trial
Bibliography
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