OPTIC-4

Multimode Inlet for Gas Chromatograph-Mass Spectrometer

DMI (Difficult Matrix Introduction) Mode Simplifies Pretreatment

DMI Mode

DMI is a method of analyzing samples by placing a microvial containing the sample inside a liner, and then heating the liner at the inlet. By adjusting the temperature of the inlet, nonvolatile impurities can be left behind in the microvial, enabling GC-MS measurements with simplified pretreatment.


Analysis of Shampoo via DMI Mode

An undiluted sample of shampoo was placed directly into a microvial, and was analyzed in DMI mode. It was possible to selectively analyze the volatile compounds.



For Research Use Only. Not for use in diagnostic procedures.

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