Foreword
1 Scope
2 Normative references
3 Principle
4 Interferences
5 Reagents
6 Apparatus
7 Procedure
8 Calculation
9 Expression of results
10 Test report
Annex A (informative) - Comparison of analytical results
according to extracting solvents acetonitrile and
methanol using soil sample materials provided
by the Federal Institute for Materials Research
and Testing (BAM), Germany
Annex B (informative) - Comparison of different extraction
methods
Annex C (informative) - Evaluation of the influence on
substance recovery of ultrasonic power, bath
temperature and extraction time while using
ultrasonic aided extraction