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Chinese National Standard Category: Heavy metals and their alloys analysis method

English Title: The method for chemical analysis of zinc and zinc alloys―The determination of aluminum content―The chromaurol S-polyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometric method and the chromeazurol S spectrophotometric method and th
Chinese Title: 锌及锌合金化学分析方法 铝量的测定 铬天青 S-聚乙二醇辛基苯基醚-溴化十六烷基吡啶分光光度法、CAS分光光
Standard No.: GB/T 12689.1-2004
Category No.: H13
Issued by: AQSIQ; SAC
Issued on: 2004-04-30
Implemented on: 2004-10-1
Status: superseded
Superseded by:GB/T 12689.1-2010 Methods for chemical analysis of zinc and zinc alloys—Part 1:Determination of aluminum content—Chromazurol Spolyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry,Chromeazurol S spectrophotometric method and EDTA titrimetry
Superseded on:2011-11-1
Abolished on:2011-11-01
Superseding:GB/T 12689.1-1990 Zinc and zinc alloys―Determination of aluminium content―EDTA titrimetric method
GB/T 12689.13-1990 Zinc and zinc alloys―Determination of aluminium content―Electrothermal atomic absorption spectrometric method
GB/T 12689.14-1990 Zinc and zinc alloys―Determination of aluminium content―Chromazurol S spectrophotometric method
Word Count:5000 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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