?? ?????

???????? 70%

??????? ???

15 ????????, 2020

????? ?????

15 ???????? 2020

????? ?????

01/01/2022

??? ?????

GB 7658--2007

?????

?????????

??????

????????

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

???????

?????? ?????,%

69.0-71.0

70.31

????? ????????,%

≥70.0

76.5

??? Ph

5.0-7.5

5.9

?????? ????? (d2020)

1.285-1.315

1.302

???????,%

≤0.21

0.03

??"? ???????,%

≤8.0

6.12

?????? ???? ?????,%

≤0.10

0.04

???? ????,%

≤0.0005

Pb(???? ?? pb),%

≤0.0001

??? (?? ???? As),%

≤0.0002

?????? (???? ?? Cl),%

≤0.001

????? (???? ?? SO4),%

≤0.005

???? (???? ?? Ni),%

≤0.0002

??????????

????? ?? ????

?????

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