GB/T 12689.1-2010 Methods for chemical analysis of zinc and zinc alloys—Part 1:Determination of aluminum content—Chromazurol Spolyethylene glycol octyl phenylether-cetylpyridine bromine spectrophotometry,Chromeazurol S spectrophotometric method and EDTA titrimetry
锌及锌合金化学分析方法 第1部分：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分光光度法和E;
| Category No.: | 77.120.60 |
Valid Status: | valid |
| Issued Organization: | AQSIQ; SAC |
Issued Date: | 2011-1-14 |
| Implemented Date: | 2011-11-1 |
Abolished Date: | |
| Superseded Standard.: | |
Superseded Date: | |
