GB/T 20255.4-2006
Methods for chemical analysis of hardmetals .Determination of cobalt,iron,manganese, molybdenum,nickel,titanium and vanadium contents.Flame atomic absorption spectrometric method (English Version)

Standard No.: GB/T 20255.4-2006
Language: Chinese, Available in English version
Release Date: 2006
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 20255.4-2006

Scope: This part specifies the determination of carbides of chromium, niobium, tantalum, titanium, tungsten and vanadium, mixtures of the above carbides and binder metals, and cemented carbides (including coated cemented carbides with completely removed coatings) by flame atomic absorption spectrometry. ) Determination of cobalt, iron, manganese, molybdenum, nickel, titanium and vanadium. This section applies to carbides of chromium, niobium, tantalum, titanium, tungsten, vanadium, mixtures of the above carbides and binder metals, and hard alloys (including coated hard alloys that have completely removed the coating), iron, Determination of the amount of manganese, molybdenum, nickel, titanium and vanadium. Measuring range: 0.5% to 2%.

GB/T 20255.4-2006 history

2006 GB/T 20255.4-2006 Methods for chemical analysis of hardmetals .Determination of cobalt,iron,manganese, molybdenum,nickel,titanium and vanadium contents.Flame atomic absorption spectrometric method