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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Superseded by:GB/T 12689.2-2004 The methods for chemical analysis of zinc and zinc alloys—The determination of arsenic content—The atomic fluorescence spectrometer method
Superseded on:2004-10-1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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