WLK-8A阴离子免维护抑制器应用于KOH梯度淋洗
2021-05-11 15:38:42
WLK-8A阴离子免维护抑制器是一款离子交换膜隔离密封抑制器，主要特点是低维护，长寿命，稳定快，操心少，性能指标与国外产品相仿，是一款可完全替代进口产品的国产抑制器，本例应用于KOH梯度淋洗，可完全适应梯度淋洗要求，本例应用最高淋洗液浓度为40mM KOH.
色谱仪：RPIC-2017离子色谱仪
检测器：动态量程电导检测器
色谱柱：AS19 4×250mm
抑制器：WLK-8A阴离子免维护抑制器
抑制电流：100mA
流速：1.0mL/min
淋洗液：
| 时间 | 浓度 |
| 0-5min | 10mM |
| 5-18min | 10-30mM |
| 18-20min | 40mM |
| 20-25min | 40mM |
| 25.1min | 10mM |
| 25.1-30min | 10mM |
| STD1 | STD2 | STD3 | STD4 | STD5 | STD6 | STD7 | |
| F- | 0.042 | 0.05 | 0.1 | 0.2 | 0.5 | 1.0 | 5.0 |
| Acetate | 0.083 | 0.1 | 0.2 | 0.4 | 1.0 | 2.0 | 10.0 |
| Formate | 0.083 | 0.1 | 0.2 | 0.4 | 1.0 | 2.0 | 10.0 |
| BrO3- | 0.083 | 0.1 | 0.2 | 0.4 | 1.0 | 2.0 | 10.0 |
| Cl- | 0.083 | 0.1 | 0.2 | 0.4 | 1.0 | 2.0 | 10.0 |
| NO2- | 0.125 | 0.15 | 0.3 | 0.6 | 1.5 | 3.0 | 15.0 |
| ClO3- | 0.083 | 0.1 | 0.2 | 0.4 | 1.0 | 2.0 | 10.0 |
| Br- | 0.17 | 0.2 | 0.4 | 0.8 | 2.0 | 4.0 | 20.0 |
| NO3- | 0.17 | 0.2 | 0.4 | 0.8 | 2.0 | 4.0 | 20.0 |
| SO42- | 0.25 | 0.3 | 0.6 | 1.2 | 3.0 | 6.0 | 30.0 |
| Malate | 0.083 | 0.1 | 0.2 | 0.4 | 1.0 | 2.0 | 10.0 |
| Oxalate | 0.083 | 0.1 | 0.2 | 0.4 | 1.0 | 2.0 | 10.0 |
| PO43- | 0.25 | 0.3 | 0.6 | 1.2 | 3.0 | 6.0 | 30.0 |