DS DS/EN ISO 5667-23
DS DSEN SO 5667-23 2011-MAR-31 Water qualty - Samplng - Part 23 Gudance on passve samplng n surface waters
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This part of ISO 5667 specifies procedures for the determination of time-weighted average concentrations and equilibrium concentrations of the free dissolved fraction of organic and organometallic compounds and inorganic substances, including metals, in surface water by passive sampling, followed by analysis.