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GB/T 20975.32-2020 Active
GB/T 20975.32-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 32:Determination of bismuth content
Abstract
This part of GB/T 20975 specifies the potassium iodide spectrophotometry and Na2EDTA titration methods for determining the bismuth content in aluminum and aluminum alloys.
This part is applicable to the arbitration determination of bismuth content in aluminum and aluminum alloys. The determination range of potassium iodide spectrophotometry is 0.010% to 2.50%; the determination range of Na2EDTA titration is >2.50% to 11.00%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 20975.32-2020 |
| CCS | Analysis methods for light metals and their alloys |
| ICS | Aluminum and aluminum alloys |
| Implement Date | 2021-10-01 |
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