The new method in the determination of negative ion surface-active agent is introduced, comparing with methyleneblue method, it have merits of simple operation step and little dosage.
介绍了水中阴离子表面活性剂测定新方法,该法与亚甲蓝法比较,具有操作步骤简单,萃取剂用量少的优点。
2
The protonated coke waste was used as a new type of biosorbent for the removal of anionic dye Reactive Red 4(RR4) and cationic dye MethyleneBlue(MB).