????? ??????/????? ????????
??????????
(1) ??? ???? ????? ??????? ????? ??????;
(2) ???????? ???? ???? ?????????, ????? ???? ??????, ??? ???? ????? ??????? ?????????
(3) ?? ??? ??????? ??????, ???? ???? ???????? ?? ?????? ???, ?? ??? ?? ????? ????, ?????? ????? ????? ?? ???????? ????? ?? ??? ????? ??????? ?????? ??? 720 ?"?.
?????2
?????????
???-????? ???? ???? ?? ??? ?????? ?????? ???? ?? ???? ????, ?? ?????? ?? ???, ??? ?????, ??? ???? ?? ???? ?????? ???????, ??????? ?? ??? ???? ??????.



???? ????
???? ???? | ???? ????? | ?????????? | GB5492-85 |
??? ???? | ???????? | ?????????? | GB5492-85 |
??? ??? ?????? | ???????? | ?????????? | ? |
????? ??? | ????? | ?????????? | ? |
?????? ????? | 0.4-0.6 ???/?"? | 0.40-0.55 ???/?"? | ? |
???? ??? | 80 | 100% | GB5507-85 |
???? ?? ????? | ≤5.0% | 3.25% | GB5009.3 |
???? ??? | ≤5.0% | 2.65% | GB5009.4 |
?????? ??? | ????????? | ?????????? | GC |
????? ????? | |||
????? ????? ????? | ≤10 ???? ???? | AAS | |
???? (??) | ≤1.0 ???? ???? | AAS(GB/T5009.11)? | |
????? (Pb) | ≤1.0 ???? ???? | AAS(GB5009.12)? | |
?????? | ?? ???? | AAS(GB/T5009.15)? | |
????????? | ≤0.1 ?????? ???? | ?? ???? | AAS(GB/T5009.17)? |