| 1. | Standard test methods for chloride ion in water 测定水中氯离子含量的标准试验方法 |
| 2. | Wood wool slabs . determination of chlorure content 木丝板.氯离子含量的测定 |
| 3. | Test method for hydroxide ion in water 测定水中氢氧离子含量的试验方法 |
| 4. | Methods of test for chloride ion content in hardened concrete 硬化混凝土中氯离子含量的试验方法 |
| 5. | Measurement of content of five blood inorganic ion in bamei pig 青海八眉猪五种血液无机离子含量的测定 |
| 6. | Testing water - determination of sulphate ions - gravimetric method 水的测试.硫酸盐离子含量的测定.重量法 |
| 7. | Testing water - determination of sulphate ions - nephelometric method 水的测试.硫酸盐离子含量的测定.浊度测定法 |
| 8. | Comparison of two different color - developing agents in detecting content of fe 两种不同显色剂测定三价铁离子含量的比较 |
| 9. | Determination of chlorine content of salt lake by ion selective eletrode method 离子选择电极法测定盐湖卤水中氯离子含量 |
| 10. | Reduce mg / lt calcium to < 200 by treating with soda ash as required 当钙离子含量降到小于200毫克时,就按要求加纯碱处理。 |