The new method in the determination of negative ion surface-active agent is introduced, comparing with methylene blue 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。
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 Methylene Blue(MB).
以城市污水处理厂的剩余污泥为原料，经过质子化处理制备成生物吸附剂，进行了吸附水溶液中活性红4（RR4）和亚甲兰（MB）的研究。
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 Methylene Blue(MB).
以城市污水处理厂的剩余污泥为原料，经过质子化处理制备成生物吸附剂，进行了吸附水溶液中活性红4（RR4）和亚甲兰（MB）的研究。
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