???????????????? Cu (II), Ni (II) ?? Co (II) ???? ???????????? ?????????????????? ???????????????? ?????????????? ??????????????????????, ?????????????????????????????????? ????????
???????????????? Cu (II), Ni (II) ?? Co (II) ???? ???????????? ?????????????????? ???????????????? ?????????????? ??????????????????????, ?????????????????????????????????? ????????
?????????????????????? ???????????? ???????????????????? ???????????????????? ????????????????????, ???????????????????????????????? ????????, ?????????????????????? ???????? ?????????????? ?????????????? [Zn???Al???(????)??????](????????)???8?????O. ?????????????? ???????????????????? ???????????????????????? ???????????? ???????????????? ?????? ?????????????????? ??u(II), Ni(II), Co(II) ?? ???????????? ????????????????. ?????????????????? ?????????????????????? ?????????????????????? ???????????????????? ?????????????????? ?????????????????????? ???? ???????????????? ???????? ?????????????????? ?????????????????? ??????????????????????: ????????????????, ???? ?????????????? ?????????????????? ?????????????? ???? ???????????????? [Zn???Al???(????)??????](????????)???8????? ???????????????? ?????????????? ???? ?????????????????? ?????????????????????? ???????????? ?????? ?????????????? ?? ???????? ?? ??????????????. Synthesized sample layered double hydroxide intercalated with EDTA obtained. It is established that the chemical formula of the investigated sorbent has
C?????????????????????? ?????????????? ?????????????????? ???????????????? ????????????????????, ???????????????????????????????????? ????????, ?? ?????????????????????? ?????? ???????????????????? ?????????????? [Zn???Al???(????)??????](????????)???8?????. ?????????????? ?????????????????????? ???????????????????? ???????????? ???????????????? ?????? ???????????????????? ??u(II), Ni(II), Co(II) ???? ???????????? ??????????????????. ?????????????????? ?????????????????????????? ???????????????????????? ?????????????????????? ?????????????????????? ?????????????????????? ?? ???????????????? ???????? ???????????????? ?????????????? ??????????????????????. ????????????????, ?????? ?????????????? ???????????????????? ???????????????? ???? ???????????????? [Zn???Al???(????)??????](????????)???8?????O ?????????????????? ?????????????????????? ?? ?????????????????????????? ?????????????????????? ???????????????????? ???????? ???????????????? ?? ????????????????.
Synthesized sample layered double hydroxide intercalated with EDTA obtained. It is established that the chemical formula of the investigated sorbent has the form [Zn???Al???(????)??????](EDTA)???8H2O. The possibility of using such a sorbent for the extraction of Cu(II), Ni(II), Co(II) from aqueous solutions was studied. A comparative research of the sorption capacity of the carbonate and chelated forms of layered double hydroxides held: it is shown that the degree of extraction of metals on the sorbent [Zn???Al???(????)??????](EDTA)???8?????O is fully correlated with the stability of complex compounds of these metals in solution.
???????????????????? ???????????????????????????? ?? ?????????????????????????????? ??????
???????????????????? ???????????????????????????? ?? ?????????????????????????????? ??????
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