| | 英国Whatman 1441-6309，Grade 41无灰级定量滤纸，20μm，2.5cm | 92 | ￥9275.00 | ￥9275.00 | | ￥9275.00 |  |
| | TSI 3012气溶胶中和器 | 0 | ￥0.00 | ￥0.00 | | ￥0.00 | |
| | whatman 定性滤纸―预折叠级1213-240 GR 113 FF 24CM 100/PK | 9 | ￥947.00 | ￥947.00 | | ￥947.00 | |
| | 英国Whatman 1440-320，Grade 40无灰级定量滤纸，8μm，32CM | 19 | ￥1982.00 | ￥1982.00 | | ￥1982.00 | |
