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GB/T 4324.12-2012 Active
GB/T 4324.12-2012 Methods for chemical analysis of tungsten—Part 12:Determination of silicon content—Chlorization-molybdenum blue spectrophotometry
Abstract
This section specifies the method for determining the silicon content in tungsten powder, tungsten bars, tungsten trioxide, blue tungsten, purple tungsten, tungsten carbide, tungstic acid, ammonium paratungstate, and ammonium metatungstate.
This section is applicable to the determination of silicon content in tungsten powder, tungsten bars, tungsten trioxide, blue tungsten, purple tungsten, tungsten carbide, tungstic acid, ammonium paratungstate, and ammonium metatungstate. The measurement range is 0.0004% to 0.030%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 4324.12-2012 |
| 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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