ISO 4193:1981

Aluminium and aluminium alloys — Determination of chromium content — Flame atomic absorption spectrometric method

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 ?up to 1,5 % (m/m) for instanceü. Specifies principle, reagents, apparatus, sampling, procedure, expression of results and test report.