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    5. ?????? ??? ?????? ??????? ?????? (???? ?????)? ??????? ???????? ?? ????? ???????? ????? ????? ?? ????? ???????? ????? ????? ?? ????? ?????????? ?????? ?? ??????? ?????? ??? ???????.
    6. ?????? ????? ????? ?? ?????? ??????????? ?? ?????? ????? ????? (???? ?????)? ????? ????????? ?? ????? ???????? ????? ????? ?? ????? ??????? ????? ?? ????? ?????????? ?????? ?? ??????? ?????? ??? ???????.
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    ????: ????? ????? ????? ?? ?????? #PSB01
    ???? ????????: 121-123 ???? ????? 122.3 GB/T 617
    ??????? (%): 99.50 ????? 99.56 GC ?? ?????? #PSB02
    ??????? ??? ??????? (%): 0.1 ???? ?????? 0.03 GB1901-2005
    ????? (????): 20 ???? 18 GB/T 3143
    ??????? ??????? (AS Pb) (PPM): 10 ???? 2 ??? ????? #PSB 04
    ??????(AS Cl) (PPM): 200 ???? 50 ??? ????? #PSB 05
    ??????? (AS As) (PPM): 2 ???? 2 ??? ????? #PSB 06
    ?????????? ??????????? (PPM) 300 ???? 200 ??? ?? ??????? EN14582:2007
    ??? ???????? ????? ????? EN14372:2004
    ??????? ??? ????????(%): 0.05 ???? ?????? 0.03 ???????? ?????? 1901-2005
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