| | Cole-Parmer®电导率标准液，10μS，16盎司，单独测试瓶 | 8 | ￥869.00 | ￥869.00 | | ￥869.00 |  |
| | Whatman Grade3定性滤纸1003-070GR3 7.0CM 100/PK | 0 | ￥95.00 | ￥95.00 | | ￥95.00 | |
| | Thermo Scientific 30305-154030 HYPERSIL MOS-2（C8）柱 - 长150mm，ID4.0毫米，粒径5μm | 45 | ￥4580.00 | ￥4580.00 | | ￥4580.00 | |
| | 德国DMT粉尘IEC 60312 5.1.2.1/7.2.2.1 | 27 | ￥2750.00 | ￥2750.00 | | ￥2750.00 | |
| | Whatman Grade5定性滤纸1005-110 GR 5 11.0CM 100/PK | 1 | ￥131.00 | ￥131.00 | | ￥131.00 | |
