| | 美国SKC 225-702聚四氟乙烯膜 | 12 | ￥1200.00 | ￥1200.00 | | ￥1200.00 |  |
| | HANNA/哈纳HI2300实验室EC/TDS/NaCl/℃测定仪 | 54 | ￥5434.00 | ￥5434.00 | | ￥5434.00 | |
| | HANNA/哈纳HI99301防水型便携式EC/TDS/温度测定仪，0.00-20.00mS/cm | 13 | ￥1358.50 | ￥1358.50 | | ￥1358.50 | |
| | HANNA/哈纳HI96705 微电脑二氧化硅离子浓度测定仪 | 21 | ￥2150.00 | ￥2150.00 | | ￥2150.00 | |
