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

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

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

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

???????

(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%	????5009.3
????? ???????	≤5.0%	2.65%	????5009.4
??????? ????????	?????????????	?????????	????
???? ??????
?????? ???? ??????	≤10 ??????		?????
????????? (As)	≤1.0ppm		AAS(GB/T5009.11)
???? (Pb)	≤1.0ppm		AAS(GB5009.12) ??????
????????		??????????????	AAS(GB/T5009.15)
??????	≤0.1ppm	??????????????	AAS(GB/T5009.17)