| 1. | Hardmetals . determination of cobalt . potentiometric method 硬质合金.钴的测定.电位计法 |
| 2. | Water quality - determination of ammonium - potentiometric method 水质.铵的测定.电位计法 |
| 3. | Butter . determination of ph of the serum . potentiometric method 黄油.乳清ph值的测定.电位计法 |
| 4. | Water quality - determination of fluoride ion - potentiometric method 水质.氟离子的测定.电位计法 |
| 5. | Chemical analysis of manganese ores . potentiometric determination of manganese 锰矿石的化学分析.锰的电位计法测定 |
| 6. | Sodium tripolyphosphate for industrial use - measurement of ph - potentiometric method 工业三聚磷酸钠ph的测定电位计法 |
| 7. | Starches and derived products . determination of chloride content . potentiometric method 淀粉及其制品.氯化物含量测定.电位计法 |
| 8. | Surface active agents . determination of the sodium chloride contentpotentiometric method 表面活性剂.氯化钠含量的测定.电位计法 |
| 9. | Basic silicones for industrial use . determination of amino groupe . potentiometric method 工业用基础硅塑料.氨类含量的测定电位计法 |
| 10. | Fruits , vegetables and derived products . determination of chloride content . potentiometric method 水果蔬菜和衍生制品.氯化物含量的测定.电位计法 |