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GB/T 20975.35-2020 Active
GB/T 20975.35-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 35:Determination of tungsten content—Thiocyanate spectrophotometric method
Abstract
This part of GB/T 20975 specifies the spectrophotometric method of thiocyanate for determining the tungsten content in aluminum and aluminum alloys. This part is applicable to the arbitration determination of tungsten content in aluminum and aluminum alloys. The determination range of the thiocyanate spectrophotometric method is 0.15% to 5.00%. This part is not applicable to aluminum and aluminum alloys with a tungsten mass fraction greater than 0.005%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 20975.35-2020 |
| CCS | Analysis methods for light metals and their alloys |
| ICS | Aluminum and aluminum alloys |
| Implement Date | 2021-04-01 |
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