YB/T 4936-2021
錳鐵、錳硅合金、金屬錳 銅含量的測定 雙環己酮草酰二腙分光光度法和火焰原子吸收光譜法
Determination of ferromanganese, manganese-silicon alloy, and metallic manganese-copper content by dicyclohexanone oxalyl dihydrazone spectrophotometry and flame atomic absorption spectrometry
YBT4936-2021, YB4936-2021