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

??????????

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

????5492-85

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

???????

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

????5492-85

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

??????

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

?

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

??????

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

?

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

0.4-0.6 ?????/??????

0.40-0.55 ?????/??????

?

???? ???????

80

100%

????5507-85

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

≤5.0%

3.25%

????5009.3

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

≤5.0%

2.65%

????5009.4

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

?????????

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

????

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

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

≤10 ??????

?.?.???.

???????? (As)

≤1.0 ??????

?????(????/??5009.11)

???? (Pb)

≤1.0 ??????

?????(????5009.12)

????????

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

?????(????/??5009.15)

?????????

≤0.1 ??????

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

?????(????/??5009.17)