??? ?? ???

???? ?????

??????

????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??????

????(????/T5009.11)

???? (Pb)

≤1.0??????

????(????5009.12)

???????

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

????(????/T5009.15)

???

≤0.1??????

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

????(????/T5009.17)