| 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. | Methods for determination of cobalt nickel and nickel alloys 钴镍及镍合金的测定方法 |
| 4. | Iron and steel - methods for determination of cobalt content 铁和钢.钴含量的测定方法 |
| 5. | The potentiometric method for the determination of cobalt content 电位滴定法测定钴量 |
| 6. | Hardmetals . determination of cobalt . potentiometric method 硬质合金.钴的测定.电位计法 |
| 7. | 1 methods for determination of cobalt in iron and steel amendment 1 钢铁中钴的测定方法 |
| 8. | Determination of cobalt in cobalt slag by potentiometrie titration 电位滴定法测定钴渣中钴 |
| 9. | Copper and copper alloys - determination of cobalt content 铜及铜合金化学分析方法钴量的测定 |
| 10. | Hardmetals - determination of cobalt - potentiometric method 硬质合金.钴含量测定.电位滴定法 |