| 1. | Determination of total rare earth and thorium oxide content 稀土和钍总量的测定 |
| 2. | Determination of aluminium oxide content - edta titrimetric method 滴定法测定氧化铝量 |
| 3. | Testing of leather ; determination of the chromous oxide content 皮革的检验.氧化铬含量的测定 |
| 4. | Determination of calcium and magnesium oxides content 化工用石灰石中氧化钙和氧化镁含量的测定 |
| 5. | The edta volumetric method for the determination of ferric oxide content 容量法测定三氧化二铁量 |
| 6. | Determination of iron oxide content - dichromate titrimetric method 重铬酸钾滴定法测定三氧化二铁量 |
| 7. | Molybdenum concentrates - determination of silicon oxide content 钼精矿化学分析方法二氧化硅量的测定 |
| 8. | Silica refractories - determination of aluminium oxide content - edta volumetric method 容量法测定氧化铝量 |
| 9. | Determination of silicon oxide content 二氧化硅量的测定 |
| 10. | Determination of zirconium oxide content 氧化锆量的测定 |