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The stability and speed of the operation of sheath-flow inlet high temperature ion mobility spectrometer were studied over sampled mass fluxes in the range 0-50ngs -1 for dichloromethane and ethyl acetate. The response to step-changes in sheath-flow in the region of 10cmmin -1 stabilised within 1.4s, although, the recovery of a response on shutting down the sheath-flow could...
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