| 1. | Sodium sulphate , anhydrous and 10 hydrate
硫酸钠无水和10水合物 |
| 2. | Sodium sulphate for industrial use . determination of acidity or alkalinity
工业用硫酸钠.酸度或碱度的测定 |
| 3. | Chemical analysis of leather . determination of sodium sulphate content
皮革.皮革的化学分析.硫酸钠含量测定 |
| 4. | Sodium sulphate for industrial use . determination of acid - insoluble matter
工业用硫酸钠.酸不溶解的物质的测定 |
| 5. | Sodium sulphate for industrial use . measurement of ph . potentiometric method
工业用硫酸钠. ph值的测量.电位测定法 |
| 6. | Sodium sulphate for industrial use . determination of loss in mass at 110 degrees c
工业硫酸钠. 1时质量损失的测定 |
| 7. | Sodium sulphate for industrial use . determination of chlorides content . mercurimetric method
工业硫酸钠.氯化物含量的测定.汞液滴定法 |
| 8. | Sodium sulphate for industrial use . determination of sodium sulphate content . gravimetric method
工业用硫酸钠.硫酸钠含量的测定.重量法 |
| 9. | Sodium sulphate for industrial use . determination of calcium content . edta complexometric method
工业用硫酸钠.钙含量的测定.乙二胺四乙酸综合测定法 |
| 10. | Sodium sulphate for industrial use . determination of iron content . 1 , 10 phenanthroline photometric method
工业用硫酸钠.铁含量的测定. 1 . 10 -菲绕啉分光光度法 |
