| 摘要 |
An add-on device which cooperates with a mass spectrometer to realize unique approaches to sample preparation, sample injection, and interchangeability among samples and users. The add-on device includes a sample injection tip adjacent an optional chromatography capillary column ("nano") and a high voltage source, with the sample injection tip being fed from a sample source which is optimally treated by one, two or three sample preparation components as governed by one or more switching valves and associated electronics including a computer.
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