?????? ???/??????????? ???

?????? ??? ????????? ??????? ??????? ???????????????, ?????? ????????? ????????? ????? ???? ?????????????. ??? ??? ????????? ???????? ??????? ???? ?????? ??????????. ???? ????? ?????? ????????? ???????????????????, ??? ??????????? ???????? ?????? ????????????? ????????????, ??????????? ??????????????????????? ?????? ??????????? ????????. ??????????????????? 95% ????????????? ???????, ?????? ???????? ?????????? ????????????; ??????????? 10% ????????? ?????????, ?????? ???????? ????? ?????????????????? ???????? ????????.

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

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

?????

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

(2) ??????????? ????? ???????????????, ??????? ???? ???????????? ????????, ?????? ????????? ???????????? ?????????? ????????????.

(3) ???? ?????????? ??????????, ????? ??????? ??????????? ????? ?? ????????????????, ???? ???????? ?????? ??????????? ????????????, ????? ?????? ?????? ????? ????????????? ?????? ??????? ?????? 720 ???????.

??????2

??????????

????-?????????? ???????? ????????? ?? ????? ????? ???????????? ?????????????, ?????, ?????? ????? ?????? ?????????????, ????? ???? ????? ??????? ???? ????? ???????? ????????????? ????? ??????? ??????? ????????? ??????????????.

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

?????? ????? ????	???? ????	??????????	???? 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 ??????		?????
????????? (???)	≤1.0ppm		?????(????/??5009.11)
???? (Pb)	≤1.0ppm		?????(????5009.12)
???????????		????????????	?????(????/??5009.15)
???	≤0.1??????	????????????	?????(????/??5009.17)