Water quality. Determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorobenzenes. Gas chromatographic method after liquid-liquid extraction (ISO 6468:1996)
Tuote ladattavissa hetiToimitusaika on noin 1 - 2 työpäivääToimitusaika on 3 - 5 työpäivää.
Describes a method for determining certain organochlorine insecticides, polychlorinated biphenyls (PCBs) and chlorobenzenes (except the mono- and dichlorobenzenes) in drinking water, ground water, surface waters and waste waters. The method is applicable to samples containing up to 0,05 g/l of suspended solids.
Tämän julkaisun valmistelusta Suomessa vastaa Suomen ympäristökeskus, puh. 040 724 8795.
Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Principle
4 Reagents and materials
5 Apparatus
6 Sampling and sample preparation
7 Procedure
7.1 Sample pretreatment
7.2 Extraction and separation
7.3 Concentration of the extract
7.4 Gas chromatography
7.5 Clean-up and separation
7.6 Blank determination
8 Calibration
8.1 Calibration by external standard, not using the overall procedure
8.2 Calibration of the overall procedure using an external standard
8.3 Determination of the recovery
8.4 Recalibration
9 Identification and evaluation
9.1 Identification of individual compounds
9.2 Evaluation
9.3 Summary of results
10 Expression of results
11 Performance data
12 Test report
Annex A Clean-up of the extract by means of pyrogenic copper for the elimination of sulfur (normative)
Annex B Examples of gas chromatographic conditions and the corresponding gas chromatographs (informative)
Annex C (informative)
Annex D (informative)
Annex E (informative)
Annex F (informative)
Annex G Clean-up on silica gel macrocolumn (informative)