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GB/T 20975.31-2019 Active
GB/T 20975.31-2019 Methods for chemical analysis of aluminium and aluminium alloys—Part 31:Determination of phosphorus content—Molybdenum blue spectrophotometry
Abstract
This part of GB/T 20975 specifies the method of determining the phosphorus content in aluminum and aluminum alloys by the molybdenum blue spectrophotometry method.
This part is applicable to the determination of phosphorus content in aluminum and aluminum alloys. The determination range is: 0.000 1% to 0.05%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 20975.31-2019 |
| CCS | Analysis methods for light metals and their alloys |
| ICS | Aluminum and aluminum alloys |
| Implement Date | 2020-05-01 |
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