| 1. | Iron and steel - methods for determination of tungsten content
钢铁.钨含量的测定方法 |
| 2. | Molybdenum concentrates - determination of tungsten content
钼精矿化学分析方法钨量的测定 |
| 3. | Platinum alloys - determination of tungsten content
铂合金中钨量的测定 |
| 4. | Determination of tungsten content - potassium thiocynate photometric method
硫氰酸盐光度法测定钨量 |
| 5. | The cinchonine gravimetric method for the determination of tungsten content
辛可宁重量法测定钨量 |
| 6. | The thiocyanate photometric method for the determination of tungsten content
硫氰酸盐光度法测定钨量 |
| 7. | Nickel base alloy powder - determination of tungsten content - cinchonine gravimetric method
辛可宁重量法测定钨量 |
| 8. | Determination of tungsten content
钨量的测定 |
| 9. | Determination of tungsten content in steel and alloys by perchloric acid oxidation photometric method
重铬酸钾无汞测铁法 |
| 10. | Methods for chemical analysis of iron , steel and alloy . determination of tungsten content
钢铁及合金化学分析方法钨量的测定 |
