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Y.Sekiyuka、T.Kojima等人曾于1973年建议用打萨腙凝胶球柱从水相中萃取痕量金属离子。T.Ogawa等也曾应用离子交换树脂与适当量的显色剂作用对某些金属离子进行半定量测定,但对于亚PPm级的汞(Ⅱ)的测定都没有得出满意结果。我们参照Y.K.Lee等人的工作,在本实验室的现有条件下进行了较为系统的探索,利用自己合成的苯乙烯——=乙烯苯共聚凝胶球与打萨腙锌盐作用制成色层柱成功地对含汞(Ⅲ)量在10~(-7)～10~(-a)克/ml范围内的污水进行了测定,从我们多次实验的
Y.Sekiyuka, T.Kojima et al. Proposed in 1973 to use a muscarinic gel column to extract trace amounts of metal ions from the aqueous phase. T. Ogawa et al. Also used semi-quantitative determination of some metal ions by ion-exchange resins and an appropriate amount of chromogenic reagent, but none of them gave satisfactory results for the determination of sub-PPm-level mercury (II). With reference to the work of YKLee et al., We conducted a systematic exploration under the existing conditions in our laboratory and used our own synthetic styrene- = vinylbenzene copolymer gel ball to make zonal The column column successfully measured the amount of wastewater containing mercury (III) in the range of 10-7 (-a) g / ml. From our experiments