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GB/T 4324.21-2012 Active
GB/T 4324.21-2012 Methods for chemical analysis of tungsten—Part 21:Determination of chromium content—Inductively coupled plasma atomic emission spectrometry
Abstract
This part of GB/T 4324 specifies the determination method for the chromium content in tungsten powder, tungsten bars, tungsten trioxide, tungstic acid, ammonium paratungstate, ammonium tungstate, blue tungsten, purple tungsten, and tungsten carbide.
This part is applicable to the determination of chromium content in tungsten powder, tungsten bars, tungsten trioxide, tungstic acid, ammonium paratungstate, ammonium tungstate, blue tungsten, purple tungsten, and tungsten carbide. The determination range is 0.0002% to 0.02%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 4324.21-2012 |
| 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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