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用药典比色法和络合滴定法对几个氟喹诺酮类药物氟含量的测定作了比较，认为滴定法优于比色法，因其称样量小，含氟０．４～２ｍｇ时精度可达±０．３％。
Pharmacopoeia colorimetric and complexometric titration of fluoroquinolones fluoroquinolones were compared, that the titration method is better than the colorimetric method, because of its small sample size, the accuracy of the fluorine 0.4 ~ 2mg Up to ± 0.3%.