Elemental impurities reference standards: leaflets now include expanded uncertainty
12 février 2019
The EDQM has updated the leaflets of its reference standards for elemental impurities (lead solution CRS, cadmium solution CRS, mercury solution CRS and arsenic solution CRS) with further information to facilitate their use and make traceability transparent. The mass fractions of the assigned element are traceable to the SI units (mole and kilogram) through an uninterrupted chain, similar to...
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