Water quality. Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge. Method using extraction and gas chromatography/mass spectrometry (ISO 22032:2006)
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ISO 22032:2006 specifies a method for the determination of selected polybrominated diphenyl ethers (PBDE) in sediment and sludge using gas chromatography/mass spectrometry (GC-MS) in the electron impact (EI) or negative ion chemical ionization (NCI) mode. When using GC-EI-MS, the method is applicable to samples containing 0,05 to 25 micrograms per kilogram of tetra- to octabromo congeners and 0,3 to 100 micrograms per kilogram of decabromo diphenyl ether (BDE-209), respectively.
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Sisällysluettelo
Foreword
Introduction
1 Scope
2 Normative references
3 Principle
4 Interferences
5 Reagents and standards
6 Apparatus
7 Sampling and sample pre-treatment
8 Procedure
8.1 Extraction
8.2 Clean-up
8.3 Measurement
8.4 Blank determination
8.5 Identification
9 Calibration
9.1 General
9.2 Procedure steps
9.3 Calibration with internal standards
9.4 Quantitation with the internal standard
9.5 Determination of recoveries of the internal standards
9.6 Results and reporting
10 Test report
Annex A Clean-up procedures (informative)
Annex B Examples for separation conditions in gas chromatography and mass spectrometry (informative)
Annex C Typical ions and time windows for electron impact ionization detection (informative)
Annex D Examples of chromatograms and spectra (informative)
ISO 5667-13:1997 Water quality -- Sampling -- Part 13: Guidance on sampling of sludges from sewage and water treatment works
ISO 8466-1:1990 Water quality -- Calibration and evaluation of analytical methods and estimation of performance characteristics -- Part 1: Statistical evaluation of the linear calibration function
ISO 5667-13:1997 Water quality -- Sampling -- Part 13: Guidance on sampling of sludges from sewage and water treatment works
ISO 8466-1:1990 Water quality -- Calibration and evaluation of analytical methods and estimation of performance characteristics -- Part 1: Statistical evaluation of the linear calibration function