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BS EN ISO 20596-2:2022 2023

BS EN ISO 20596-2:2022 2023

$142.49

Water quality. Determination of cyclic volatile methylsiloxanes in water – Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS)

Published By Publication Date Number of Pages
BSI 2023 24
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PDF Catalog

PDF Pages PDF Title
2 undefined
4 European foreword
Endorsement notice
7 Foreword
8 Introduction
9 1 Scope
2 Normative references
10 3 Terms and definitions
4 Principle
4.1 Principle of preservation and extraction
5 Interferences
5.1 Interferences with sampling and processing
5.2 Interferences with GC-MS
11 5.3 Interferences determination
6.4.1 Reference substances
6.4.2 Calibration stock solution 1
6.4.3 Calibration stock solution 2
6.4.4 Calibration stock solution 3
6 Reagents
6.5 Spiking stock solutions
6.5.1 Spiking stock solution 1
12 6.5.2 Spiking stock solution 2
6.6 Internal standard working solution
6.6.1 Individual internal standards
6.6.2 Internal standard stock solution 1
6.6.3 Internal standard stock solution 2
6.6.4 Internal standard working solution
6.7 Calibration standards
13 7 Apparatus
7.1 Gas chromatograph/mass spectrometer
7.2 GC columns
14 8 Method detection limits
9 Quality control
10 Sampling and storage
10.1 Sampling preparation
10.2 Sample collection
11 Extraction and analysis
11.1 Extraction
15 11.2 GC conditions and operation
12 Calibration
12.1 General requirements
12.2 Calibration calculations
16 12.3 Concentration calculations
12.4 Calculation of results
17 12.5 Treatment of results lying outside the calibration range
13 Expression of results
14 Test report
19 Annex A (informative) GC-MS conditions
20 Annex B (informative) Method detection limit and limit of quantification
21 Annex C (informative) Example quality control samples
22 Annex D (informative) Performance data
23 Bibliography

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BS EN ISO 20596-2:2022 2023
$142.49