Hardmetals - Chemical analysis by flame atomic absorption spectrometry - Part 2: Determination of calcium, potassium, magnesium and sodium in contents from 0,001 to 0,02 % (m/m) (ISO 7627-2:1983)
General requirements concerning the field of application, principle, interfering elements,aparatus, sampling and test report are given in ISO 7627-1. In low concentrations the determination of these elements is very critical.
Life cycle
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PUBLISHED EN 27627-2:1993 90.93
Standard confirmed Oct 13, 1999