Headspace gas chromatography method for determining residual quantity of organic solvent in glycine bulk drug
A headspace gas chromatography and organic solvent technology, applied in the field of headspace gas chromatography, can solve the problem of not measuring the residual amount of organic solvents in glycine raw materials
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[0014] 1. Instruments and materials
[0015] 1.1 Instrument
[0016] Shimadzu GC-2010 gas chromatograph, including hydrogen flame ionization detector and HSS 8650 headspace sampler (Shimadzu, Japan), XS205 electronic balance (Switzerland METTLER TOLEDO).
[0017] 1.2 Materials
[0018] Glycine raw material (a company in Nanning, batch number: 8978170204, 8889750801, 8971170209), methanol, ethanol, acetone, isopropanol, acetonitrile, ethyl acetate, tetrahydrofuran, toluene (all purchased from Germany Merck company, the content is 99.9%, The batch numbers are 10894707725, AS1131-001, SA2SF11417, 151040, 1645868228, 160447, 1567531), n-propanol, dichloromethane, cyclohexane, n-butanol (all purchased from Sinopharm Chemical Reagent Co., Ltd., with a content of 99.5 %, the batch numbers are respectively 20170506, 20161110, 20160718, 20140213), and the water is ultrapure water.
[0019] 2. Methods and results
[0020] 2.1 Chromatographic conditions
[0021] Chromatographic colu...
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