Method for simultaneously detecting multiple residual solvents in sitafloxacin
A technology for residual solvents and sitafloxacin, which is applied in the field of analytical chemistry, can solve the problem that multiple residual solvents of sitafloxacin cannot be detected at the same time, and achieve the effects of saving manpower and material resources, reducing interference, and improving detection efficiency
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[0101] Example: Simultaneous detection of 11 residual solvents in sitafloxacin.
[0102] 1. Instruments and reagents:
[0103] Gas spectrometer: GC-2010Pro gas chromatograph, produced by Shimadzu Corporation of Japan;
[0104] Headspace sampler: HS-20 type headspace sampler, produced by Shimadzu Corporation of Japan;
[0105] Drug: sitafloxacin (batch number: 1811013), produced by Jichuan Pharmaceutical Group Co., Ltd.;
[0106] Solvent: N,N-dimethylacetamide (DMAC), GC grade, produced by CNW Technology Co., Ltd., Germany.
[0107] Reference substances: methanol, acetonitrile, tert-butanol, dichloromethane, methyl tert-butyl ether, n-hexane, ethyl acetate, tetrahydrofuran and dioxane, GC grade, all produced by Shanghai Aladdin Biochemical Technology Co., Ltd. ; Ethanol, GC grade, produced by West Asia Chemical Technology (Shandong) Co., Ltd.; Toluene, GC grade, produced by TEDIA Co., Ltd. of the United States.
[0108] 2. Chromatographic conditions:
[0109] In this embod...
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