Abstract
A mass spectrometer for analyzing the elemental composition of micrometeorites and technogenic particles in space is described. A method for improving the mass-spectrometer resolution is proposed. The method is based on the time variations in the parameters of the accelerating electric field. The advantages of this gas–dust impact mass spectrometer over the analogs are a larger working area and a higher resolution at comparable masses and sizes. Using a combined construction for both particles and gas, it is possible to “eliminate” products of spacecraft degassing from a spectrum, thus improving the reliability of the results, and obtain information on the gas component of the external spacecraft atmosphere.
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