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- W2389509975 abstract "OBJECTIVE:To determine the contents of the residual solvents including dichloromethane,acetone and ethanol in azithromycin raw material by GC.METHODS:A glass column was used as chromatographic column.The temperature of sample injection was 140℃and column temperature was 160℃.The carrier gas was nitrogen.The column inlet pressure was 30Psi.The detection was performed using hydrogen flame ionization detector.RESULTS:The detection concentrations of dichloromethane,acetone and ethanol were 0.02%～0.1%(r=0.9 995),0.05%～0.25%(r=0.9 994)and 0.02%～0.1%(r=0.9 994),respectively.The average recovery were 99.1%(RSD=1.4%),100.1%(RSD=1.1%)and 99.5%(RSD=1.3%),respectively.All of the three batches of samples were up to the standard with regard to the residual volume of organic solvent residues in azithromycin raw material.CONCLUSION:The method is proved to be accurate,sensitive and reliable,and suitable for the detection of organic solvent residues in azithromycin." @default.
- W2389509975 created "2016-06-24" @default.
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- W2389509975 date "2006-01-01" @default.
- W2389509975 modified "2023-09-25" @default.
- W2389509975 title "Determination of Residual Solvents in Azithromycin Raw Material by GC" @default.
- W2389509975 hasPublicationYear "2006" @default.
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