| | Cole-Parmer 组合离子选择性电极，水硬度（CA +2 /镁+）,CN-27504-34 | 29 | ￥2904.00 | ￥2904.00 | | ￥2904.00 |  |
| | Cole-Parmer ISE电极，镉，双结，BNC | 33 | ￥3311.00 | ￥3311.00 | | ￥3311.00 | |
| | Cole-Parmer 1963734H 010TV12 凝胶填充式，侧挂式pH电极与凝灰岩尖双结，100欧姆ATC元，镀锡两端 | 21 | ￥2178.00 | ￥2178.00 | | ￥2178.00 | |
| | HANNA/哈纳HI98301笔式总固体溶解度（TDS）测定仪 | 4 | ￥432.25 | ￥432.25 | | ￥432.25 | |
