| | Cole-Parmer 组合离子选择性电极，溴（BR）,CN-27504-02 | 24 | ￥2486.00 | ￥2486.00 | | ￥2486.00 |  |
| | Cole-Parmer PG-5-5000-PSI-G-F0-L0-P0-N0-CP 数字仪表与视觉报警 | 45 | ￥4565.00 | ￥4565.00 | | ￥4565.00 | |
| | YP3001N 精密电子天平 | 10 | ￥1080.00 | ￥1080.00 | | ￥1080.00 | |
| | Cole-Parmer 组合离子选择性电极，铅（以Pb +2）,CN-27504-20 | 28 | ￥2893.00 | ￥2893.00 | | ￥2893.00 | |
