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GB/T 20975.17-2020 Active
GB/T 20975.17-2020 Methods for chemical analysis of aluminium and aluminium alloys—Part 17:Determination of strontium content
Abstract
This part of GB/T 20975 specifies the determination of strontium content in aluminum and aluminum alloys by flame atomic absorption spectrometry and Na2EDTA titration method.
This part is applicable to the arbitral determination of strontium content in aluminum and aluminum alloys. The determination range of flame atomic absorption spectrometry is 0.020%～12.00%; the determination range of Na2EDTA titration method is 3.00%～22.00%.
Note: When the mass fraction of strontium is >3.00%～12.00%, Na2EDTA titration method is used as the arbitral method.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 20975.17-2020 |
| CCS | Analysis methods for light metals and their alloys |
| ICS | Aluminum and aluminum alloys |
| Implement Date | 2021-08-01 |
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