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GB/T 7731.5-2021 Active
GB/T 7731.5-2021 Ferrotungsten—Determination of silicon content—Silicomolybdenum blue spectrophotometric method
Abstract
This document specifies the silicon content in tungsten iron determined by the silicon-molybdenum blue spectrophotometry method.
This document is applicable to the determination of silicon content in tungsten iron. The determination range (mass fraction): 0.100% to 1.50%.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 7731.5-2021 |
| CCS | Analysis methods for steel and iron alloys |
| ICS | Iron alloy |
| Implement Date | 2022-03-01 |
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