1, ????? ??? ??????? ????

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

??????? ?????? ????????????? ???? (????? ?? SAIB90, SAIB80), ??? ????????? ??? ??? ????? ???? ????, JECFA, FCC, CAC, ??? ???? ??????????? ???????? ?? ????? ???? ??? ???? ???? (≤ 0.2 mgKOH/g) ??? ???? ??? ?? ?????-????? (≤ 5ppm) ??? ???????? ??????? ?? ???? ????? ??? ???????? ???? ????? ???

???? ?????? ???? (??????? ???????? ?????????????????) ?? ?????? ????????? ????????????? ????? ???? ?? ??, ??? ?????? ??? ?????? ???? ???? ??????? ??? ???? ???????? 99.47% ??? ????? ??, ??? ??? ???????? ?????? ????? ????

??????? ??? ?? ??? ???????? ?? ??????? ???? (GB 2760-2025) ?? ???? ?????? ????? ??? '?? ????? ??? ???? ???? ???? ??, ?? ???? ???????? (????? ?? ?????? ???????????????) ?? ??? ??????? ????-??????? ??? ???????????? ?????? ?? ??? ??????? ?????? ??? ???????? ???

2, ?????? ???? ??? ????? ????????

?????-????? ??????

?????? ????? ???? ?? ???? (????? ?? 0.04-0.5 ?????/????????? ?? ??? '?? ??? ???? ??????? ???? ????? ????? ??), ??????? ?????? ????????????? ???? ??? ????????? ?????????? ??? ???? ?? ????? ???? ??, ??? ???? ??? ?????? ?????? (400 ??????/100 ?????) ??????? ???? ???? ???????? ?? ?????? ???

???? ???? ?????? ????? ???? ????? ??, ??? ?? ??? ???? ???? ????? ?? ???? ???? ??? ??? ??? ???? ??, ???? ???? ?? ???? ?????? ???? ??? ???? ?? ???? ????? ?? ???? ?? ???? ??, ??? ??? ?????? ??? '?? ?????? ??? ??????? ???? ????? ?? ???? ?? ???? ???

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

??? ??? ???? ?????? ????? ?????????? ?? ???? ?? ??? ???? ?????? ??????? (????? ?? ??? ??????, ???) ??? ????? ?????? ????????????? (????? ?? ????) ?? ????? ?? ???? ??, ??? ???? ???????? ??? ???? ??????? ????? ??? ?????? ???? ?????? ???

3, ????????? ?????? ??? ???? ???????

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

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

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

???? ??? ??? ????? ??????? ???? ??? ?????? ???? ????? ????? ??, ??? ??? ?????? ??? ??????? ??? ???? ??????? ???? ???? ??? ???? ??-??????? ?? ?????? ??? ??? ?? ???????? ???????? ?? ???? ??? ????? ???? ?????? ???

?????: ??????? ?????? ????????????? ?? ????? ????? ???? ???? ??????? '?? ??? ????????? ???????? ?????? ???? ?????, ?? ?????? ?????? ??? ??? ????? ???????, ???????? ????????, ??? ????? ??????? ????? ????? ?? ??? ???