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| Standard Insuued on: 2004-04 |
GB/T 12689.1-2004 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
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
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2004-04-30 |
| Implemented Date: | 2004-10-1 | Abolished Date: | 2011-11-01 |
| Superseded Standard.: | GB/T 12689.1-2010 Methods for chemical analysis of zinc and zinc alloys—Part 1:Determination of aluminum content—Chromazurol Spolyethylene glycol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 |
Superseded Date: | 2011-11-1 |
NY 775-2004
DB11/T 227-2004
GB/T 4108-2004
YY/T 0488-2004
GB/T 4107-2004
GB/T 5480.6-2004
LS/T 1700-2004
GB 1589-2004/XG1-2005
YY 0488-2004
GB/T 5480.1-2004
GB 12487-2004
GB/T 16656.513-2004
GB/T 5480.4-2004
GB/T 5480.3-2004
GB/Z 16656.1006-2004
GB/T 19496-2004
GB/T 5480.5-2004
GB/T 5480.7-2004
GB/T 5480.2-2004
TB/T 1490-2004
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