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?????? ??? ????? ??????????? ????? ????? ?????? ??? 3.5 ?10. ?? ??????? ??? ?????? ???? ??????? ???????? ?????? ????? ??????????? ??????? ?????? ????? ??? 5 ?7? ????? ?????? ?? ??????? ?????? ?????? ??? 6.5 ?9. ????? ????? ?????? ????? ????? ????? ??????????? ?????? ???:

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????? ??????????? (pH) ?? ????? ????? ?? ?????? ??????? ?????? ??? ????? ?? 0 ??? 14. ?????? ???? ????? ??????????? ????? ?? 7 ?????? ??????? ?? 7 ??????. ??? ??? ????? ??????????? 7? ??? ?????? ???????. ????? ?????? ????????? ?? ?????? ???? ???????? ???????.

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

???? ???? ???? ?????? ??????? ?????? ?? ????? ??????? ?????? ?????? ??????? ?????? ?????? ????????. ??? ???? ??????? ???? ??????? ???? ????? ?????? ?????? RK520-01. , ?????? ???? ????? ?????? ???????? ???????? ????????? RK520-02 ???????? ???? ????? ?????? RK500-22 ? ?????? ??????? ????????? ?????? RK500-23 .

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