| Ohaus/311-00奥豪斯机械天平 | 23 | ¥2380.00 | ¥2380.00 | | ¥2380.00 |  |
| Cole-Parmer® 在线凝灰岩尖pH电极,1000Ω ATC,镀锡端 | 16 | ¥1617.00 | ¥1617.00 | | ¥1617.00 |  |
| Cole-Parmer NGP-250NR垂直平板凝胶系统,28厘米板高度玻璃板 | 4 | ¥484.00 | ¥484.00 | | ¥484.00 |  |
| Cole-Parmer 1992757-010BGV14 自清洗pH电极的Ryton ®外壳,100kΩ热敏电阻,10英尺的电缆,BNC | 19 | ¥1936.00 | ¥1936.00 | | ¥1936.00 |  |