????? ????? ??? ???? ??????? ???? ???????? ????? ???? ???? ??????? ?? ????? ????? ???? ??????? ???????? ??????? ???? ????? ??????

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

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

??? ???? ??????? ???????? ??? ???????? ??????? ???? ????? ?????

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

?? ?????? ???? ????? ?????? ??????? ???? ???? ??????? ?????? ???? ?????? ???????? ??????????? ??? ?????? ??????? ???????? ??????????. ????? ??? ???????? ??? ???? ???????? ??????? ???? ????? ?????? ???????? ?????? ?????? ?????? ???? ???????? ??????? ???? ???? ??? ???? ????? ??????. ?? ???? ?????? ???? ??????? ??? ??????? ??? ????? ??? ????????? ??? ???? ??? ????? ?????? ????? ????????? ?????? ???????? ???????.

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

??? ????? ???? ???? ????? ????? ?? ?????? ??????? ????? ???????????

????? ????? ???? ???? ????? ????? ????? ?????? ???? ???? ??????? ???? ?? ?????? ???? ????? ?????. ?????? ??? ??????? ?????? ?????? ????? ???? ???????? ??? ?? ??? ??????? ??????????? ??????????? ???????? ???????? ?????????? ????????. ??? ????? ??????? ???????? ???? ?????? ???? ??? ????? ???? ????? ????? ????? ???????.

?? ??? ????? ????? ???? ???? ????? ????? ????? ????? ??????????. ???? ??? ???????? ?????????? ???? ????? ????? ??????? ?????? ???? ??????? ????? ???? ???? ??????? ?? ????? ??????? ????? ?? ??????? ???????? ??????? ?????? ??? ????? ?????? ?????? ???????? ???????. ??? ?????? ?????? ?????? ????????? ?? ??????? ??????? ?? ??? ??????? ????????? ??? ???? ????? ??? ???? ???? ??????? ?????????.

?????? ??? ????? ?????? ????? ????? ???? ???? ????? ????? ???? ???????? ???????. ??? ????? ????? ?? ???? ?????? ??? ?? ??? ????? ??????? ???????? ???????? ??????? ?????? ?????? ?????? ?????????. ???? ??? ??????? ???? ????? ???? ???? ??????? ????? ??? ????? ??????? ??? ?? ???? ??????? ??????.

???????? ?? ?????? ???? ??????? ???? ???? ??? ????????

??? ????? ?? ??????? ??????? ?????? ???? ???? ????? ?????? ??? ?? ???? ?????? ????? ?????? ??????? ???? ??????? ?? ???? ??? ????????. ??? ???? ??? ???????? ????????. ?? ????? ????? ???? ???? ??????? ?????? ????? ????? ??? ????????? ??? ???? ??? ???????? ??? ????? ????? ?? ?????? ???? ???????. ???? ????? ?? ???? ??? ??????? ?????? ??? ????? ?????? ???? ????????? ??? ?? ????? ?? ??? ???????? ?????? ???????.

????? ?????? ????? ?????? ????? ??????? ??? ?????? ????? ??????????? ?????? ???. ???? ????? ?????? ?? ????? ????? ??????????? ????? ??? ???? ???? ?? ????? ???????? ??? ?? ???????? ??????? ?? ????? ??????? ?? ???? ??? ?????. ?????? ??? ????? ???? ??????? ?? ????? ?????? ???? ????? ?????? ??? ???? ?? ????? ???? ??????? ???????? ?????? ????? ?????? ?? ???? ?????? ???????.

????? ??????? ?????? ?????? ??? ????? ??????? ????? ???? ???? ???????????. ?? ???? ?????? ?? ?????? ??????? ??? ??? ???????? ?? ?????? ?? ????? ?????? ??? ?? ???? ??? ?????. ???? ????? ??????? ???????? ???????? ?????? ??????? ?????? ???? ???? ??? ????????.

????? ????? ???? ????? ?????? ???? ????? ?????? ???? ?? ?????? ???? ?????? ???? ????? ???????? ????? ??? ????????. ??? ??????? ?????? ???? ????????? ?????? ????? ?????? ????????? ???? ?????? ??? ??????? ??????? ?????? ???? ?????. ????? ??? ?????? ??? ????? ?????? ???? ??????? ???? ?????? ???????? ?????? ??????? ??????? ????.

????? ?????? ???? ??????? ???? ????? ???????? ??????? ???? ????? ?????

???? ?????? ???? ??????? ???? ????? ????? ????? ???????? ??????? ?????? ???? ????? ?????? ????? ?? ????? ????? ???????? ?????? ??? ??? ???????? ?????????. ??? ??? ????? ?????? ???? ??????? ???? ???? ?????? ???????? ?? ????? ?????? ????????. ??? ???? ?????? ??????? ??????? ?? ????? ??????? ?????? ???????? ????? ?????? ???????? ????? ?????? ?????? ???????? ????????. ???? ?? ?????? ???? ?????? ???????? ????? ?? ????? ????? ??????? ?????? ??????? ????????.

?????? ??? ????? ????? ????????? ????? ?? ?????? ??? ???? ??????? ???? ???????? ??? ????? ???????? ???????? ????????? ??? ???????. ???? ???? ??????? ????? ????? ?????? ?? ???????? ??????? ??????? ???????? ????? ??????? ???????? ??? ????? ????? ????????? ?????????? ?? ????? ???????? ??????????. ?????? ???? ????? ????????? ?? ?????? ?? ??? ???????? ??????? ??????? ????? ?? ????? ???????? ?? ???????? ??????.

????? ??? ?????? ??????? ???? ???? ???? ???? ??????? ????. ??? ???? ????? ?????? ????????? ?????? ???????? ????? ???? ?????? ?????????? ??????? ??????? ?????? ???????? ????????? ??? ???? ??? ????? ?? ????????. ?????? ??? ???? ?????? ??? ???? ??????? ???? ???????? ??? ???? ????????? ??? ????????? ???? ???? ?????? ??? ?????? ???? ?? ????? ??? ??????. ???? ????? ????? ?? ????? ?????? ????? ?? ????????? ?? ???? ?? ????? ???????? ????? ??????.

????? ???????? ?????? ????? ??????? ???? ??????? ???? ??????? ????. ????????? ????? ????? ???????? ?????????? ????????? ????? ???????? ?????? ??? ?????? ???? ??????? ?? ?? ??? ??? ?? ???? ??? ???? ???? ???????. ?????? ??? ????????? ???????? ?? ?????? ?????? ???????? ?????? ?????? ?????? ??????? ?????????? ??????? ?????? ???????. ??? ?????? ???????? ?????? ??????? ??????? ???????? ??? ????? ???????? ???????? ????????.

???? ????????? ???? ???? ??????? ?? ?????? ???? ????? ?????

?????? ???? ??????? ?? ?????? ???? ??????? ????? ????? ??? ???????? ????? ???? ????????? ???? ???? ??????? ???? ????? ???????? ?????? ???. ??? ???? ????? ????? ?????? ????? ????? ??????? ?????? ????? ???? ???? ??????? ???? ????. ??? ??? ???????? ????? ??????? ???????? ??????? ?????? ??????? ????? ????? ??? ???????? ???????.

???????? ??? ????????? ????? ??? ???????? ????? ????? ????? ?????? ???? ???? ??????????? ???? ????? ?? ??????. ???? ??? ????? ???????? ?????? ?????? ?? ??? ???? ????? ???????? ?? ????? ?????. ??? ????? ??????? ???? ?????? ?????? ?? ??? ??????? ??? ????? ????????? ????? ???????.

?? ??????? ?????? ?????? ??????? ???? ??????? ??????? ????? ????? ???????? ????????. ????? ??? ???????? ????????? ?? ????? ???????? ?? ????? ?????? ???? ??????? ?????????? ???????? ??????. ?? ???? ??? ?????? ???????? ???? ???? ?????? ???? ??????? ?? ????? ??????? ???????? ??? ????? ???? ?????? ??????? ???????? ????????? ???????? ???? ???????? ????????.

????? ??????? ?????? ???? ??????? ????? ?????? ????? ?????? ????? ???????????. ????? ??? ???????? ????? ????? ???? ???????? ??? ????????? ?????? ??????? ????? ??????????? ????????. ???? ??? ??????? ??? ????? ?????? ????? ????? ??????????? ????????? ???????? ??? ????? ??????? ????? ????? ???????? ??????.

???? ?????? ????? ???? ???? ??????????? ??????? ??????? ??? ?????????? ?????? ??????. ????? ??? ???????? ?????? ?????? ?????? ?????? ?????? ????? ????????? ??? ?? ??? ???? ???????? ????? ???? ???????????? ????????. ???? ???? ??? ???????? ?????? ???? ???? ??????????? ??? ????? ??????.

?????? ??? ???????? ????????? ????????

???????? ????? ????????? ????? ????? ???????????? ????????? ??????????? ?????. ???? ????? ??? ????? ??????? ???????? ??? ???? ????? ?? ???? ?????. ????????? ??????????? ??? ??? ???? ????? ?? ??????? ??????? ????? ?????? ?????? ????? ??? ????? ????? ???????????? ????? ???? ????? ?? ?????? ?????? ???? ????? ??????????? ???????. ??? ????? ??? ???????? ??????? ???? ???????? ??? ???? ??? ?????? ??? ?????.

?? ???????? ???? ????? ???? ???? ??????????? ??????? ????? ???? ??? ???????? ????? ???? ???????????. ?????? ??? ??????? ?????? ??????? ??? ??????? ??????? ?? ??????? ?????????? ?????????? ????????? ?????? ?????? ????? ??????. ??? ???? ???? ?????? ??????? ????? ???????? ??????? ????? ?? ???? ???? ?? ??????.

??? ?? ????? ?? ????? ???? ???? ??????????? ??????? ?? ????? ????? ??????? ?????? ?????????? ??? ???? ?? ???? ?? ????????. ???????? ????????? ?? ?????? ????????? ???? ??? ???????? ?????? ?? ????? ??????? ????????? ???? ???? ?????? ??? ?????? ?????. ??? ???? ??? ????? ??????? ????? ???? ???? ??????????? ???????? ??? ????? ????? ?????????? ????????? ??????? ???? ???????? ?????.

????? ???????? ??????? ???? ????? ????? ?? ???? ?????? ????? ????? ???????

??????? ????? ??? ???? ??????? ???? ?????? ?????? ?? ????? ???????? ?????? ???? ????? ????? ??????? ????. ???? ??????? ????? ???? ???? ??????? ????? ?????? ?????? ???????? ??? ??? ????? ?????? ?????? ????????? ????? ???? ??????? ???? ???????? ?????????. ?? ???? ????? ???? ????????? ???? ???? ???????? ????????? ??????? ???????? ??????? ???????? ????? ????? ???????? ????????? ?????? ???????? ???? ??????? ???? ????? ????? ?????? ???.

?? ????? ?????? ???? ??????? ???? ???????? ??? ???? ???????? ??????? ??????? ????? ?? ?????? ????? ?? ????? ????? ????????? ???? ???????? ?????????? ?????? ???????? ??????. ??? ???? ???? ?????? ?????? ???? ??????? ???????? ?????? ???????? ????? ???????? ?????? ???? ????? ????? ????? ??????? ?????? ????????.

?? ??? ???????? ??????? ?????????? ?? ????? ????? ???? ?????? ???? ??????? ??????? ?????? ?????? ?????? ???? ????? ????? ????? ?? ?? ????? ????? ???? ?????? ????????? ??? ????? ??????. ??? ??????? ???? ????? ??? ???? ??????? ??????? ??????? ????? ?????? ???? ??????? ???? ????? ??????? ?? ???? ??????? ????? ?????? ???? ????? ????? ????? ?????? ???????? ???????.