UNE 36-324 Pt.1-1991 Chemical analysis of materials in the steel industry. Determination of chromium content in steel and cast iron. Atomic absorption spectrophotometry with flame
This standard establishes a method for determining the chromium content of steels and cast irons by flame atomic absorption spectrometry. This method is applicable to unalloyed and low-alloy steels and cast irons with chromium contents between 0.002% and 2.0% (m/m) (see annex).