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Chinese National Standard Category: Heavy metals and their alloys analysis method |
English Title: | Zinc and zinc alloys―Determination of arsenic content―Molybdenum blue spectrophotometric method |
Chinese Title: | 锌及锌合金化学分析方法 钼蓝分光光度法测定砷量 |
Standard No.: | GB/T 12689.4-1990 |
Category No.: | H13 |
Issued by: | |
Issued on: | 1990-12-30 |
Implemented on: | 1992-1-1 |
Status: | abolished |
Superseded by: | GB/T 12689.2-2004 The methods for chemical analysis of zinc and zinc alloys—The determination of arsenic content—The atomic fluorescence spectrometer method |
Superseded on: | 2004-10-1 |
Abolished on: | 2004-10-01 |
Superseding: | GB 473-1976 |
Word Count: | words |
Similar Standards: | YS/T 1157.4-2016 GB 8550.4-1987 GB 5121.9-1985 T/CIQA 8-2020 GB 8550.17-1987 GB 8002.5-1987 GB 8550.15-1987 GB 5121.8-1985 GB 6520.8-1986 GB 8550.1-1987 GB/T 8220.6-1998 GB 5121.7-1985 GB/T 8220.7-1998 GB 8002.4-1987 GB 5121.3-1985 YS/T 483-2005 GB 8550.13-1987 GB/T 5122.2-1985 GB 8550.19-1987 GB 8550.14-1987 |
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