| 1. | Iron ores - methods for determination of cobalt content 铁矿石.钴含量测定方法 |
| 2. | Manganese ores - determination of cobalt content 锰矿石化学分析方法钴量的测定 |
| 3. | Iron and steel - methods for determination of cobalt content 铁和钢.钴含量的测定方法 |
| 4. | The potentiometric method for the determination of cobalt content 电位滴定法测定钴量 |
| 5. | Copper and copper alloys - determination of cobalt content 铜及铜合金化学分析方法钴量的测定 |
| 6. | Boric acid and borax for export . determination of cobalt content 出口硼酸和硼砂.钴含量的测定 |
| 7. | The 5 - cl - padab photometric method for the determination of cobalt content 钴试剂光度法测定钴量 |
| 8. | The fotentiometric titration method for the determination of cobalt content 电位滴定法测定钴量 |
| 9. | The 5 - cl - padab photometric method for the determination of cobalt content 钴试剂光度法测定钴量 |
| 10. | The nitroso - r salt photometric method for the determination of cobalt content 盐光度法测定钴量 |