| 1. | Iron ores - methods for determination of manganese content
铁矿石.锰含量测定方法 |
| 2. | Gold alloys - determination of copper and manganese contents
金合金中铜锰量的测定 |
| 3. | Determination of manganese content for compound fertilizers
复混肥料中锰的测定方法 |
| 4. | The formaldoxime photometric method for manganese content
甲醛肟分光光度法测定锰量 |
| 5. | Iron and steel - methods for determination of manganese content
钢铁.锰含量的测定方法 |
| 6. | Manganese ores - methods for determination of manganese content
锰矿石.锰含量的测定方法 |
| 7. | The potentiometric method for the determination of manganese content
电位滴定法测定锰量 |
| 8. | Method for determination of total manganese content inmanganese ores
锰矿石中全锰量的测定 |
| 9. | Copper and copperr alloys - determination of manganese content
铜及铜合金化学分析方法锰量的测定 |
| 10. | Boric acid and borax for export . determination of manganese content
出口硼酸和硼砂.锰含量的测定 |
