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

??????? ?? 1 (??????? ??????????????)

?????? ????(??)

???????

?????? ?????(??)

???????

?????? ???? ?????? ??????, ?????????? ???? ???? ???????? ?????????

???????????

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

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

?????????

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

0.025 ???? ?????? ????

0.014 ?????? in ??

pH ?????? in ??

2.7 ????? 3.4

3.0 ??????

????

5.0% ???? ?????? ????

1.5%

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

1.0% ???? ?????? ????

?????????

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

0.2% ???? ?????? ????

0.1%

??????

98.0%~102.0%

99.4%

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

?????????

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

?????????

???? ??????

10ppm ???? ?????? ????

?????????

???????

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