DIN 38407-2:1993-02

1 General information
2 Field of application
3 Concepts
      3.1 Low-volatility halogenated hydrocarbons
      3.2 Organochlorine pesticides
4 Principle
5 Interference
      5.1 Sampling and sample storage
      5.2 Extraction
      5.3 Extract concentration by evaporation
      5.4 Gas chromatography
6 Designation
7 Apparatus
      7.1 Capillary gas chromatography
      7.2 Separating columns
      7.3 Other apparatus
8 Reagents
9 Sampling and sample storage
10 Procedure
      10.1 Sample pretreatment
             10.1.1 Homogenization
             10.1.2 Phase separation
      10.2 Extraction
      10.3 Concentration of extract using a rotary
             evaporator analysesternal standard
      10.4 Gas chromatography
             10.4.1 Preparation of apparatus
             10.4.2 GC settings
             10.4.3 Preliminary testing of extract by gas
                       chromatography
             10.4.4 Gas chromatographic analysis
      10.5 Clean-up
      10.6 Blank value check
11 Detection, calibration and correction
      11.1 Identification of substances
      11.2 Calibration and correction
             11.2.1 Calibration using an external standard
             11.2.2 Calibration of the entire method using
                       an external standard
             11.2.3 Calibration of the entire method using
                       an internal standard
      11.3 Determination of laboratory's rate of recovery
      11.4 Simplified procedure and expression of results of
             qualitative analyses
12 Evaluation
      12.1 Calculation of individual results for calibration
             using an external standard
      12.2 Calculation of individual results for calibration
             of the entire method using an external standard
      12.3 Calculation of individual results for calibration
             of the entire method using an internal standard
      12.4 Summarizing the results
13 Expression of results
14 Test report
15 Results of interlaboratory testing
Appendix A - Determination of separation efficiency of
             capillary columns
Appendix B - Clean-up and separation methods
Appendix C - Typical gas chromatograms
Appendix D - Simplified analytical procedure for the
             examination of drinking water
Standards and other documents referred to
Other relevant standards
Explanatory notes