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[GB 2138-1980] 碲中铝量的测定(铬天青S-溴化十四烷基吡啶胶束增溶吸光光度法)[已作废]
发布时间：1981-10-01
实施时间：1981-10-01
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[GB 2139-1980] 碲中铅量的测定(双硫腙-四氯化碳萃取吸光光度法)[已作废]
发布时间：1981-10-01
实施时间：1981-10-01
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[GB 2140-1980] 碲中铁量的测定(邻菲啰啉吸光光度法)[已作废]
发布时间：1981-10-01
实施时间：1981-10-01
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[GB 2141-1980] 碲中硒量的测定(2 3-二氨基萘吸光光度法)[已作废]
发布时间：1981-10-01
实施时间：1981-10-01
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[GB 2143-1980] 碲中硫量的测定(硫酸钡比浊法)[已作废]
发布时间：1981-10-01
实施时间：1981-10-01
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[GB 2144-1980] 碲中镁 钠量的测定(原子吸收分光光度法)[已作废]
发布时间：1981-10-01
实施时间：1981-10-01
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[GB 2145-1980] 碲中碲量的测定(重铬酸钾-硫酸亚铁铵容量法)[已作废]
发布时间：1981-10-01
实施时间：1981-10-01
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[GB 2146-1980] 碲中砷量的测定(正戊醇萃取砷钼蓝分光光度法)[已作废]
发布时间：1981-10-01
实施时间：1981-10-01
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[GB 2147-1980] 碲中硅量的测定(正丁醇萃取硅钼蓝吸光光度法)[已作废]
发布时间：1981-10-01
实施时间：1981-10-01
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[GB/T 14849.1-2020] 工业硅化学分析方法 第1部分：铁含量的测定[即将实施]
发布时间：2020-03-06
实施时间：2021-02-01
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[GB/T 14849.3-2020] 工业硅化学分析方法 第3部分：钙含量的测定[即将实施]
发布时间：2020-03-06
实施时间：2021-02-01
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- 建筑
- 化工
- 工程
- GB/T 23103-2018
- YZ/T 0105-2004
