| | Cole-Parmer® 780812不锈钢注射器，20毫升，氟橡胶O型圈，1/4 | 56 | ￥5632.00 | ￥5632.00 | | ￥5632.00 |  |
| | Cole-Parmer ISE电极，银/硫化物，双结，BNC | 43 | ￥4345.00 | ￥4345.00 | | ￥4345.00 | |
| | Cole-Parmer® 色度铬酸盐测试套件 | 10 | ￥1012.00 | ￥1012.00 | | ￥1012.00 | |
| | Cole-Parmer EW-70792-22 pH Chemical Feed System, Two Pumps, 2.0 GPH, 105 psi, 115V | 920 | ￥92000.00 | ￥92000.00 | | ￥92000.00 | |
