| 1. | Photography chemicals - potassium persulfate
摄影用化学药品.过硫酸钾 |
| 2. | Chemical reagent . ammonium persulfate
化学试剂过硫酸铵 |
| 3. | The persulfate - arsenite volumetric method for the determination of manganese content
亚砷酸盐容量法测定锰量 |
| 4. | Paucity manganese in drinking water by way of oxidization of ammonium persulfate
过硫酸铵氧化法测定生活饮水中的微量锰 |
| 5. | The ammonium persulfate oxidation volumetric method for the determination of chromium content
过硫酸铵氧化容量法测定铬量 |
| 6. | Nickel base alloy powder - determination of chromium content - persulfate oxidation titrimetric method
过硫酸铵氧化滴定法测定铬量 |
| 7. | The persulfate oxidation photometric mothod for the determination of manganous oxide content
过硫酸盐氧化光度法测定一氧化锰量 |
| 8. | The alkaline fusion - ammonium persulfate oxidation volumetric method for the determination of chromium content
过硫酸铵氧化容量法测定铬量 |
| 9. | Fireclay and high - alumina refractories - determination of manganese oxide content - ammonium persulfate photometric method
过硫酸铵光度法测定氧化锰量 |
| 10. | Test method for determination of chromic oxide in basic chromium tanning liquors ammonium persulfate oxidation
基本铬鞣皮溶剂中氧化铬测定的试验方法 |
