GB/T 20255.1-2006
Methods for chemical analysis of hardmetals. Determination of calcium,potassium,magnesium and sodium contents. Flame atomic absorption spectrometric method (English Version)

Standard No.: GB/T 20255.1-2006
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 20255.1-2006

Scope: This part specifies the determination of carbides of chromium, niobium, tantalum, titanium, tungsten and vanadium, mixtures of the above carbides and bonding metals, and cemented carbides (including coated cemented carbides with completely removed coatings) by flame atomic absorption spectrometry. ) method for the determination of calcium, potassium, magnesium and sodium. This section applies to carbides of chromium, niobium, tantalum, titanium, tungsten, vanadium, mixtures of the above carbides and bonding metals, and calcium, potassium, and Determination of magnesium and sodium content. Measuring range: 0.001% to 0.02%.

GB/T 20255.1-2006 history

2006 GB/T 20255.1-2006 Methods for chemical analysis of hardmetals. Determination of calcium,potassium,magnesium and sodium contents. Flame atomic absorption spectrometric method