??? ????????? metatungstate ????? ???????? ??????? ??? ????? ????? ???? ?????. ?????? ??????? ????????? metatungstate ????????? ????? ?????? ?? ???????? ??? ???????? ????? (GFAAS)? ??? ???????? ????? (FAAS) ?????? ????? ????? ???????? ???????? (ICP-MS)? ???????? ??? ???? ??????? ???????? ???????? ?????? ?????? ???????? ????? ??????? ???? ???? ??? ??????? ?????????.

?? ?? ???????? ??? ???????? ????? ?????? ?????? ????? ?????? ????? ??????? ????. ???? ?? ???? ?? ??????? ???? ????? ???????? ?????? ???? ???? ????? ?????? ??? ???? ????? ????? (???? ?????? ?????) ???????? ??? ?????? ??????? ????? ????? ???????. ???? ????? ?????? ?? ????? ????? ??????? ??? ????? ?? ??????? ?????????? ??? ????. ???? ????? ??? ?? ??? ??????? ?? ?????????. ????? ??? ?????? ??? ????????? ???????? ???? ????? ???? ???? ???????? ???????? ????? ??????? ??????? ???????? ??? ..

??????? ????????? metatungstate ?????? ????? ????? ???????? ????? ???????? ????? ?? ???? ???????? (???? ????? ?? ????? ?????? ???????? ????? ??????)? ????? ?????? ?????? (?????? ???? ??????? ???? ??????)? ???? ???????? ???????? ????? ????? ????????.