| | HANNA哈纳HI93754B-25化学需氧量1500ppm试剂 | 5 | ￥580.00 | ￥580.00 | | ￥580.00 |  |
| | 美国TSI 3012/3054/3077气溶胶中和器(Neutralizers) | 0 | ￥0.00 | ￥0.00 | | ￥0.00 | |
| | Cole-Parmer 95-0497-01 8瓦的紫外线灯与双302NM波长的光管 | 50 | ￥5093.00 | ￥5093.00 | | ￥5093.00 | |
| | Cole-Parmer 3989878-010B ORP电极，潜水，双结，无ATC，10英尺的电缆，BNC | 21 | ￥2189.00 | ￥2189.00 | | ￥2189.00 | |
