| | Cole-Parmer 6499 W/9998 筛与NIST可溯源校准报告 | 21 | ￥2145.00 | ￥2145.00 | | ￥2145.00 |  |
| | Etatron DLX的pH / ORP泵控制系统，1升/小时，最大15巴的压力，壁挂式安装，230VAC | 76 | ￥7620.00 | ￥7620.00 | | ￥7620.00 | |
| | Cole-Parmer 142毫米直径孔径0.45μ膜 | 18 | ￥1815.00 | ￥1815.00 | | ￥1815.00 | |
| | Whatman 1823-042 玻璃微纤维滤纸 | 4 | ￥470.00 | ￥470.00 | | ￥470.00 | |
