| 1. | Discussion on operation conditions for determination of germanium content in coal 关于煤中锗含量测定条件的探讨 |
| 2. | Determination of germanium content 锗量的测定 |
| 3. | Methods for chemical analysis of zinc concentrates - determination of germanium content 锌精矿化学分析方法锗量的测定 |
| 4. | The phenylfluorone - polyethylene glycol octyl phenyl ether photometric method for the determination of germanium content 聚乙二醇辛基苯基醚光度法测定锗量 |
| 5. | Determination of germanium content - distillation separation - phenyl fluorone cetyltrimethyl - ammonium bromide phtometric method 十六烷基三甲基溴化铵光度法测定锗量 |
| 6. | Methods for chemical analysis of gallium - the phenylfluorone - polyethylene glycol octyl phenyl ether photometric method for the determination of germanium content 镓化学分析方法苯基荧光酮-聚乙二醇辛基苯基醚光度法测定锗量 |
| 7. | Methods for chemical analysis of tungsten ores and molybdenum ores . determination of germanium content . distillation separation - phenyl fluorone cetyltrimethyl - ammonium bromide phtometric method 钨矿石钼矿石化学分析方法蒸馏分离,溴化十六烷基三甲胺-苯芴酮光度法测定锗量 |
| 8. | Methods for chemical analysis of copper ores lead ores and zinc ores . determination of germanium content . phenylfluorone - cetyltrimethyl ammonium bromide photometric method after carbon tetrachloride extraction 铜矿石铅矿石和锌矿石化学分析方法四氯化碳萃取分离,溴化十六烷基三甲胺-苯芴酮光度法测定锗量 |