????? ??? ??? ??? ???? ? ??? ???.
??
L-????? 1935? WC ???(W.C. Rosein)? ?? ???? ???? ?????? ?? ? ???????. ?? ????? ??? ?? ??????, ?? ? ???? ? ?? ?? ? ?? ?? ??????, ?? ??, ?? ?? ?? ? ???? ?? ??? ??? ??? ???. ?? ? ????? ??? ?? ???? ??? ???? ??? ??? ?????? ?? ?? ? ??? ??? ??? ?? ???? ??????. ???? ??? ?? ??? ??, ?? ??, ?? ??? ??, ?? ?? ?? ???? ??? ? ????. ?? ???? ????? ?? ???? ??? ?? ???? ???, ????? ?? ??? ?? ??? ??? ??? ?? ??? ?? ????. ????? ?? ?? ??? ?? ? ??? ??? ????? ???? ? ??? ? ????.
??2
??????
????? ??? ??? ??? ???? ? ??? ?? ?? ???????. ???? ???? ??? ??? ??? ???. ????? ?????? ? ????? ???? ???? ??? ? ????. ????? ??, ?? ???, ???? ???? ?? ??? ???? ?? ?????. ?? ?? ??? ???? ?? ??? ?????. ????? ????? ???? ??? ??????? ???? ???? ??? ????.
??
????? ??, ?????, ???? ??? ???? ??? ??????. ????? ????? ?? ??? ?? ? ?? ??? ??? ???. ????? ????? ???? ???? ??? ?? ?? ??? ??? ???? ??? ??? ???, ???? ??? ???? ???? ???? ? ??? ??? ???. ?? ?? ??? ??? ??? ??? ??? ?????.
?? ??
??? | AJI97 | FCCIV | USP40 |
?? | ?? ?? ?? ??? ?? | --- | --- |
??? | ??? | --- | ??? |
?? | 98.5% ~ 101.0% | 98.5% ~ 101.5% | 98.5% ~ 101.5% |
pH ? | 5.2 ~ 6.2 | --- | 5.0 ~ 6.5 |
??? | ≥98.0% | --- | --- |
?? ?? | ≤0.2% | ≤0.3% | ≤0.2% |
?? ? ??? | ≤0.1% | ≤0.1% | ≤0.4% |
???(Pb ?) | ≤0.001% | ≤0.002% | ≤0.0015% |
???(Cl??) | ≤0.02% | --- | ≤0.05% |
? | ≤0.001% | --- | ≤0.003% |
???(SO4??) | ≤0.02% | --- | ≤0.03% |
???(NH4??) | ≤0.02% | --- | --- |
?? ???? | ????? | --- | ????? |
??? | ????? | --- | --- |
?? ?? | -27.6°~ -29.0° | -26.5°~ -29.0° | -26.7°~ -29.1° |