| 1. | Water quality - determination of sulfate - gravimetric method
水质硫酸盐的测定重量法 |
| 2. | Ambient air - determination of dustfall - gravimetric method
环境空气降尘的测定重量法 |
| 3. | Water quality - determination of suspended substance - gravimetric method
水质悬浮物的测定重量法 |
| 4. | Determination of silicon in uranium concentrate by gravimetry
铀矿石浓缩物中硅的测定重量法测定硅 |
| 5. | Pyrites and concentrate - determination of moisture - gravimetric method
硫铁矿和硫精矿水分的测定重量法 |
| 6. | Ascharite ores - determination of loss on ignition - gravimetric method
硼镁矿石中灼烧失量的测定重量法 |
| 7. | Determination of thorium dioxide in thorium - tungsten alloys - weight method
钨钍合金中二氧化钍的测定重量法 |
| 8. | Determination of mineral sulfate content in detergents - gravimetric method
洗涤剂中无机硫酸盐含量的测定重量法 |
| 9. | Pyrites and concentrate - determination of silicon content - gravimetric method
硫铁矿和硫精矿中硅含量的测定重量法 |
| 10. | Ambient air - determination of total suspended particulates - gravimetric method
环境空气总悬浮颗粒物的测定重量法 |
