BS PD ISO/TS 21231:2019 specifies representative materials suitable for the determination of the performance characteristics, including uncertainty, during the initial assessment of a quantitative method, used in a laboratory, for physico-chemical water analysis.
Cross References:
ISO 6107 (all parts)
ISO 5667-3
ISO/TS 16489:2006
ISO 5725-1:1994
ISO Guide 35:2017
ISO/TS 13530:2009
ASTM D5905-98(2013)
ISO 11352
EN 12457 (series)
ISO Guide 80
ISO 17034
ASTM D1141-98(2013)
ISO 3696
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