| | Cole-Parmer ISE电极，镉，双结，BNC | 33 | ￥3311.00 | ￥3311.00 | | ￥3311.00 |  |
| | Cole-Parmer 可追踪®双显示电导率仪 | 36 | ￥3619.00 | ￥3619.00 | | ￥3619.00 | |
| | Cole-Parmer ISE电极，高氯酸盐，双结，BNC | 38 | ￥3817.00 | ￥3817.00 | | ￥3817.00 | |
| | Cole-Parmer H721P30003T10AB 溶液pH电极接地，高盐的应用；没有ATC元，BNC | 23 | ￥2376.00 | ￥2376.00 | | ￥2376.00 | |
