| 1. | Technical requirements for tungsten concentrate
钨精矿技术条件 |
| 2. | Methods of sampling and sample preparation of tungsten concentrates in bags
包装钨精矿取样制样方法 |
| 3. | Methods for chemical analysis of tungsten concentrates - the edta volumetric method for the determination of calcium content
钨精矿化学分析方法edta容量法测定钙量 |
| 4. | Methods for chemical analysis of tungsten concentrates - the gravimetric method for the determination hygroscopic moisture content
钨精矿化学分析方法重量法测定湿存水量 |
| 5. | Methods for chemical analysis of tungsten concentrates - the potassium iodate volumetric method for the determination of tin content
钨精矿化学分析方法碘酸钾容量法测定锡量 |
| 6. | Methods for chemical analysis of tungsten concentrates - the barium sulfate gravimetric method for the determination of sulfur content
钨精矿化学分析方法硫酸钡重量法测定硫量 |
| 7. | Methods for chemical analysis of tungsten concentrates - the thiocyanate photometric method for the determination of molybdenum content
钨精矿化学分析方法硫氰酸盐光度法测定钼量 |
| 8. | Methods for chemical analysis of tungsten concentrates - the molybdenum yellow photometric method for the determination of phosphorus content
钨精矿化学分析方法钼黄光度法测定磷量 |
| 9. | Methods for chemical analysis of tungsten concentrates - the sulphosalicylic acid photometric method for the determination of iron content
钨精矿化学分析方法磺基水杨酸光度法测定铁量 |
| 10. | Methods for chemical analysis of tungsten concentrates - the semi - xylenol orange photometric method for the determination of bismuth content
钨精矿化学分析方法半二甲酚橙光度法测定铋量 |
