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ASPE-AAS determination of calcium,dissociative calcium and combinative calcium in Quganre injection

DU Gang1 WEI Bo-ping~1 LIU Zhong-yi~1 DING Xue-qing~2(1.Sichuan Province Institute for Drug and Food Control,Chengdu 610036,China;2.Sichuan University Analytical and Testing Center,Chengdu 610041,China)  
Objective:To establish a method for determination of Calcium,dissociative Calcium and combinative Calcium in Quganre injection by ASPE-AAS.Methods:Used Auto-Solid Phase Extractor to separate dissociative Calcium and combinative Calcium;used Atomic Absorption Spectrometer to determinate the contents.Results:The linearity of this method was good.The calibration curve was linear over the concentration range from 2 to 10 mg· L~(-1)(r=0.9997).The average recovery (n=5) was 102.9%,RSD=3.5%.Conclusion:The method accurately determinate the content of different form Calcium in Quganre injection and it is simple,rapid and reliable.
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