GB/T 7731.2-2007 《Ferrotungsten - Determination of manganese content - The periodate spectrophotometric method and the flame atomic absorption spectrometric method》 Related products
This standard specifies methods for the determination of manganese content in ferrotungsten, including the periodate Spectrophotometric method, spec-trophotometry and flame atomic absorption spectroscopy (AAS), which are suitable for samples with manganese content ranging from 0.05% to 0.70%. The standard describes in detail the preparation of the sample, the use of reagents and the operation steps to be followed during the determination process to ensure the accuracy and repeatability of the measurement results. The standard provides a scientific basis for the mass detection of ferrotungsten products and is an important tool for quality control in related fields.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active |
|---|---|
| CCS | H11 | ICS | 77.100 |
| Release Date | 2007-09-11 00:00:00 | Implementation Date | 2008-02-01 00:00:00 |
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Extended reading
- 1GB/T 41079.2-2022《Test methods for physical properties of liquid metals—Part 2: Determination of electrical conductivity》
- 2GB/T 7731.3-2008《Ferrotungsten - Determination of copper content - Bis(cyclohexanone)oxalyldihydrazone photometric method and flame atomic absorption spectrometric method》
- 3GB/T 223.64-2008《Iron, steel and alloyed - Determination of manganese content - Flame atomic absorption spectrometric method》
- 4GB/T 20975.17-2008《Methods for chemical analysis of aluminium and aluminium alloys - Part 17： Determination of strontium content Flame atomic absorption spectrometric method》
- 5GB/T 20975.21-2008《Methods for chemical analysis of aluminium and aluminium alloys - Part 21：Determination of calcium content Flame atomic absorption spectrometric method》
- 6GB/T 20975.6-2008《Methods for chemical analysis of aluminium and aluminium alloys - Part 6：Determination of cadmium content Flame atomic absorption spectrometric method》
- 7GB/T 20975.9-2008《Methods for chemical analysis of aluminium and aluminium alloys - Part 9：Determination of lithium content Flame atomic absorption spectrometric method》
- 8GB/T 3253.3-2008《Methods for chemical analysis of antimony and antimony trioxide - Determination of lead content - Flame atomic absorption spectrometric method》
- 9GB/T 3253.5-2008《Methods for chemical analysis of antimony and antimony trioxide - Determination of copper content - Flame atomic absorption spectrometric method》
- 10GB/T 6150.10-2008《Methods for chemical analysis of tungsten concentrates - Determination of lead content - Flame atomic absorption spectrometric method》