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Study on new typical ionic clusters K+ (KNO3)n and NO3-(KNO3)m
Abstract
The sample solution of KNO3 is ejected into the gas phase and the ionic dusters of K+(KNO3)n and NO3 (KNO3)m are formed and observed by electrospray ionization mass spectrometry (ESIMS). Hie full mass spectra of both the positive ion and the negative ion show that the differences between each peak nearby are all about 101 (m/z), which correspond to the molecular weight of KNO3. The general formula of the ionic clusters can be assigned as K+(KNO3)n and NO3′-(KNO3)m..
