Magnesium and its alloys — Determination of manganese in magnesium alloys containing zirconium, rare earths, thorium and silver — Periodate photometric method
镁及其合金——含锆、稀土、钍和银的镁合金中锰的测定——高碘酸盐光度法
The method is applicable to the determination of manganese contents between 0,002 and 0,2 % (m/m). Specifies principle and procedure of the method, reagents, apparatus, sampling, expression of results and test report.