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GB/T 4702.7-2016 Active
GB/T 4702.7-2016 Chromium metal─Determination of nitrogen content─Distillation-nessler reagent spectrophotometric method
Abstract
This part of GB/T 4702 specifies the determination of nitrogen content by the distillation-separation-Nessler's reagent spectrophotometry method.
This part is applicable to the determination of nitrogen content in metallic chromium. The determination range (mass fraction) is: 0.002%~0.150%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 4702.7-2016 |
| CCS | Analysis methods for steel and iron alloys |
| ICS | Iron alloy |
| Implement Date | 2017-07-01 |
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