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ISO 5667-23:2011 Water quality - Sampling - Part 23: Guidance on passive sampling in surface waters
standard by International Organization for Standardization, 03/01/2011
ISO 5667-23:2011 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.
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