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GB/T 4324.2-2012
GB/T 4324.2-2012 Methods for chemical analysis of tungsten—Part 2:Determination of bismuth content—Hydrogenate atomic absorption spectrometry
Abstract
This part of GB/T 4324 specifies the determination method for the bismuth content in tungsten powder, tungsten bars, tungsten trioxide, blue tungsten, purple tungsten, tungsten carbide, tungstic acid, ammonium paratungstate, and ammonium metatungstate.
This part is applicable to the determination of bismuth content in tungsten powder, tungsten bars, tungsten trioxide, blue tungsten, purple tungsten, tungsten carbide, tungstic acid, ammonium paratungstate, and ammonium metatungstate. The determination range is 0.000 03% to 0.020%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Replaced |
| Standard Code | GB/T 4324.2-2012 |
| CCS | Rare high-melting-point metals and their alloys |
| ICS | Other non-ferrous metals and their alloys |
| Implement Date | 2013-10-01 |
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