SUMMARY
?? ????? ????? ????? ??? ?? 2-???????? -1- ?????????? ?? ????- ????????? ??? ???? ???? ?????? ?????? ???????? ??? ??????? ??????? ??????? ??? ??????? ??????? ??? ??????? ??????? ?????? ?????????? ?????? ??????, ???? ???? ???????? ?????? ??? ???????? ?? ?????? Mn(II) ,Cr(III). ??? ????? ??????? ???????? ?????????? ?????? ????? ??????? ????????????, ??????? ???? ?????????? ????? ?????? ? ????? ??????.