| 1. | Chemical analysis of refractories . silica materials , silico - argillaceous and argillaceous materials . determination of iron 耐火材料化学分析.硅材料硅土材料和粘土材料.铁含量测定 |
| 2. | Chemical analysis of refractories . silica materials , silico - argillaceous and argillaceous materials . determination of titanium 耐火材料化学分析.硅材料硅土材料和粘土材料.钛含量测定 |
| 3. | Chemical analysis of refractories . silica materials , silico - argillaceous and argillaceous materials . determination of aluminium 耐火材料化学分析.硅材料硅土材料和粘土材料.铝含量测定 |
| 4. | Chemical analysis of refractories . silica materials , silico - argillaceous and argillaceous materials . determination of manganese 耐火材料的化学分析.硅材料硅土材料和粘土材料.锰的测定 |
| 5. | Chemical analysis of refractories . silica materials , silico - argillaceous and argillaceous materials . determination of phosphorus 耐火材料化学分析.硅材料硅土材料和粘土材料.磷含量测定 |
| 6. | Chemical analysis of refractories . silica materials , silico - argillaceous and argillaceous materials . determination of calcium and magnesium 耐火材料的化学分析.硅材料硅土材料和粘土材料.钙和镁的测定 |
| 7. | Chemical analysis of refractories . argillaceous and silico - argillaceous materials . determination of silicon method by insolubilisation in perchloric acid medium 耐火材料化学分析.粘土和硅石材料.硅含量测定 |
| 8. | Chemical analysis of refractories . silica materials , silico - argillaceous and argillaceous materials . determination of silicon method by insolubilisation in hydrochloric acid medium 耐火材料化学分析.硅材料硅土材料和粘土材料.硅含量测定 |