Separation order for

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A hypothetical mixture of four species. A, B, C, and D, is to be separated into the four separate components. Two different separator types are being considered, neither of which requires a mass separating agent. The separation orders for the... 

The separation parameters in HOD IMS will depend on the gas temperature as in FAIMS (3.3.4) here, the effect should generally be stronger because of the inherently greater nonlinearity of HOD IMS mechanism and rise for higher separation orders. For example, the thermal variation of a for benzene and o-toluidine cations in air increases at higher n for the former, heating from 10 °C to 40 °C changes by 7%, a2 by -70%, and by > 300% (Table 5.1). 

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