| | Cole-Parmer溶液接地，金带ORP电极；没有ATC元，BNC H721S80003T10AB | 26 | ￥2651.00 | ￥2651.00 | | ￥2651.00 |  |
| | Boekel 113002-2 恒温金属浴 | 84 | ￥8451.00 | ￥8451.00 | | ￥8451.00 | |
| | SKC 225-17-04 滤膜PTFE Filters, 0.45 µm, 37 mm | 42 | ￥4295.00 | ￥4295.00 | | ￥4295.00 | |
| | Silver metal membranes 5微米银膜过滤器 | 41 | ￥4150.00 | ￥4150.00 | | ￥4150.00 | |
