| 1. | Determination of gallium oxide concent - rhodamine b - extraction photometric method
萃取光度法测定三氧化二镓量 |
| 2. | Thallium - determination of indium content - crystal violet extraction photometric method
结晶紫苯萃取吸光光度法 |
| 3. | The neocuproine - extraction photometric method for the determination of copper content
新铜试剂萃取光度法测定铜量 |
| 4. | Thallium - determination of mercury content - dithizone - carbon tetrachloride extraction photometric method
铊中汞量的测定 |
| 5. | The butyl acetate extraction photometric method for the determination of phosphorus content
乙酸丁酯萃取光度法测定磷量 |
| 6. | Thallium - determination of copper content - neocuproine - chloroform extraction photometric method
三氯甲烷萃取铜试剂吸光光度法 |
| 7. | The neocuproine - chloroform extraction photometric method for the determination of copper content
三氯甲烷萃取光度法测定铜量 |
| 8. | The benzoylphenyl - hydroxylamine extraction photometric method for the determination of vanadium content
苯甲酰苯胲萃取光度法测定钒量 |
| 9. | The n - benzoy - n - phenylhydroxylamine extraction photometric method for the determination of vanadium content
钽试剂萃取光度法测定钒含量 |
| 10. | Method for analysis of calcium metal - the determination of aluminium by oxine chloroform extraction photometric method
三氯甲烷萃取分光光度法测定铝 |
