| | ADVANTEC 第5B号无灰定量滤纸; 15.0厘米直径 | 7 | ￥710.00 | ￥710.00 | | ￥710.00 |  |
| | I-Chem S126-0020-RWD 20ml 透明样品瓶 ， 0.125" 非粘合盖垫，无处理 I-Chem 20ml Vial clear 0.125" unbonded septum unprocessed | 6 | ￥621.00 | ￥621.00 | | ￥621.00 | |
| | Whatman Grade 520B滤纸10331553 Grade 520B FF 320MM 50/PK | 7 | ￥764.00 | ￥764.00 | | ￥764.00 | |
