This International Standard specifies an X-ray fluorescence fusion method for the determination of cobalt, chromium, iron, manganese, molybdenum, nickel, niobium, tantalum, titanium, tungsten, vanadium and zirconium contents of carbides and hardmetals.
DS/ISO 4503:1994 history
1994DS/ISO 4503:1994 Hardmetals - Determination of contents of metallic elements by X-ray fluorescence - Fusion method