International Organization for Standardization (ISO)
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ISO 4193:1981
Scope
The method is applicable to products having chromium contents between 0,003 and 0,6 % (m/m). It may also be used for higher chromium contents 巙p to 1,5 % (m/m) for instance? Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.
ISO 4193:1981 history
1981ISO 4193:1981 Aluminium and aluminium alloys; Determination of chromium content; Flame atomic absorption spectrometric method