Research Article

Methyl Esterification Combined with Gas Chromatography-Mass Spectrometry (GC-MS) for Determining the Contents of Lubricant to Evaluate the Compatibility of Chlorinated Butyl Rubber Stoppers with Liposome Injections

Figure 1

Mass spectrum of methyl hexadecanoate (a) and methyl stearate (b).
(a)
(b)