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Chinese National Standard Category: Steel and iron alloy analysis method |
English Title: | Methods for chemical analysis of ferrotungsten - The infrared absorption method for the determination of carbon content |
Chinese Title: | 钨铁化学分析方法 红外线吸收法测定碳量 |
Standard No.: | GB 7731.10-1988 |
Category No.: | H11 |
Issued by: | AQSIQ |
Issued on: | 1988-2-2 |
Implemented on: | 1989-3-1 |
Status: | superseded |
Superseded by: | GB/T 7731.10-2021 Ferrotungsten—Determination of carbon content—Infrared absorption method |
Superseded on: | 2022-3-1 |
Abolished on: | |
Superseding: | YB 583-1965 |
Word Count: | 1500 words |
Similar Standards: | GB 4333.5-1984 GB/T 7730.5-2000 GB/T 7731.16-1999 GB/T 4333.9-1988 GB/T 7730.2-2002 GB/T 7730.8-2000 GB/T 8704.3-1997 GB 4010-1983 GB 7730.6-1988 GB/T 8704.9-1994 GB 7731.3-1987 GB/T 5687.5-1988 GB/T 5686.9-2023 GB/T 3654.8-2023 GB/T 7731.17-2023 GB/T 5686.5-2023 GB/T 3653.3-2023 GB/T 223.92-2023 GB/T 4333.2-2023 GB/T 42794-2023 |
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