direct insertion probe

direct insertion probe

A shaft on a mass spectrometer with a sample holder at one end, which is inserted through a vacuum lock to place it near to the ion source. The sample is vapourised by heat and evaporated into the ion source, where the sample is then ionised as gas-phase molecules.
References in periodicals archive ?
The system's extended mass range of up to m/z 1090 offers outstanding flexibility for method development, both in GMCS mode and with its DI 2010 Direct Insertion Probe accessory.
Pegasus II GC/MS features a new direct insertion probe accessory, allowing for direct analysis of solid and liquid samples, which is ideal for high throughput QC applications.
The DI-50 Direct Insertion Probe from Shimadzu Scientific Instruments Inc.

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