采用加入过量的硝酸银溶液，用原子吸收分光光度法测量剩余的银离子，间接测量氯含量。
By the addition of an excess of silver nitrate solution and the determination of surplus silver ions with AAS, the chlorine content is thus determined indirectly.
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).
研究高分子絮凝剂对金属硫化物的沉降效果，以及对溶液中剩余硫离子的去除效果；
Polymer flocculant effect on the settlement of metal sulfides and on the S2- in solution was discussed.
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