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- W2347803973 abstract "Objective To develop a method for the determination of the content of ethanol,ethyl acetate and dichloromethane residual in Cryptotanshinone.Methods The samples dissolved in DMF were injected into DB-624 capillary column with pro- grammed increased temperature and were analyzed by flame ionization detector with isopropyl alcohol as the internal standard. Results The linear range of ethanol,ethyl acetate and dichloromethane were 2.59～401.76μg·mL~(-1)(r=0.999 4), 2.39～370.14μg·mL~(-1)(r=0.999 2),and 2.58～47.26μg·mL~(-1)(r=0.999 3)respectively;the average recoveries were 103.26 %,106.17 % and 103.90 % respectively;and the detection limits were 300 ng·mL~(-1),320 ng·mL~(-1),560 ng·mL~(-1)respectively.Conclusion The method is sensitive and accurate,and it can be used for the determination of residual organic solvent in Cryptotanshinone." @default.
- W2347803973 created "2016-06-24" @default.
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- W2347803973 date "2008-01-01" @default.
- W2347803973 modified "2023-09-25" @default.
- W2347803973 title "Determination of Residual Solvents in Cryptotanshinone by Capillary GC" @default.
- W2347803973 hasPublicationYear "2008" @default.
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