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DS/EN ISO 6468

May 31, 2000

Complete Document

Water quality - Determination of certain organochlorine insecticides, polychlorinated biphenyls and chlorobenzenes - Gas chromatographic method after liquid-liquid extraction



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Additional Comments:
SAME AS ISO 6468 * BILINGUAL
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Product Details:

  • Revision: May 31, 2000
  • Published Date: May 31, 2000
  • Status: Active, Most Current
  • Document Language: Danish, English
  • Published By: Dansk Standardiseringsrad (DS)
  • Page Count: 54
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This standard describes a method for determining certain organochlorine insecticides, polychlorinated biphenyls (PCBs) and chlorobenzenes (except the mono- and dichlorobenzenes) in drinking waters, ground waters, surface waters and waste waters. The method is applicable to samples containing up to 0,05 g/l of suspended solids. In the presence of organic matter, suspended matter and colloids, interferences are more numerous and consequently the detection limits are higher. The method described in this standard only gives information on specific PCB compounds but no information on the level of total PCBs. According to the types of compounds to be detected and the source of the water, the detection limits given in table 1 are applicable for the method described in this standard, with waters of low organic contents. Given the very low concentrations normally present in the waters, the problem of contamination is extremly important. the lower the level measured, the more precautions have to be observed; below concentrations of 10 ng/l, special care is necessary.