| 1. | Manganese ores - determination of sulphur contents 锰矿石化学分析方法硫量的测定 |
| 2. | Manganese ores - determination of titanium content 锰矿石化学分析方法钛量的测定 |
| 3. | Manganese ores - determination of vanadium content 锰矿石化学分析方法钒量的测定 |
| 4. | Manganese ores - determination of chromium content 锰矿石化学分析方法铬量的测定 |
| 5. | Manganese ores - methods for determination of iron content 锰矿石.铁含量测定方法 |
| 6. | Manganese ores - determination of nickel content 锰矿石化学分析方法镍量的测定 |
| 7. | Manganese ores - determination of cobalt content 锰矿石化学分析方法钴量的测定 |
| 8. | Manganese ores - method for determination of copper content 锰矿石.铜含量测定方法 |
| 9. | Manganese ores - methods for determination of calcium content 锰矿石.钙含量测定方法 |
| 10. | Manganese ores - methods for determination of sulphur content 锰矿石.硫含量测定方法 |