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GB/T 15076.4-2020 Active
GB/T 15076.4-2020 Methods for chemical analysis of tantalum and niobium—Part 4:Determination of iron content—1,10-Phenanthroline spectrophotometry
Abstract
This part of GB/T 15076 specifies the spectrophotometric method using 1,10-phenanthroline to determine the iron content in tantalum and niobium.
This part is applicable to the determination of iron content in tantalum, niobium, and their hydroxides and oxides. The determination range is: >0.020% to 0.50%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 15076.4-2020 |
| CCS | Analysis methods for rare metals and their alloys |
| ICS | Other non-ferrous metals and their alloys |
| Implement Date | 2021-02-01 |
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