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Time shift for improved ion mobility spectrometry or separation digitisation
Time shift for improved ion mobility spectrometry or separation digitisation
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机译:时移可改善离子迁移谱或分离数字化
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摘要
A method of analyzing ions is disclosed comprising: (i) separating ions according to a physico-chemical property in a separator; (ii) transmitting ions which emerge from the separator through a transfer device with a first transit time t1, energizing a pusher electrode or orthogonal acceleration electrode and obtaining first data; (iii) transmitting ions which subsequently emerge from the separator through the transfer device with a second greater transit time t2, energizing the pusher electrode or orthogonal acceleration electrode and obtaining second data; and (iv) repeating steps (ii) and (iii) one or more times. The pusher electrode or orthogonal acceleration electrode is energized with a period t3, wherein t2-t1 is arranged to equal t3/2. The first and second data are combined to form a composite data set.
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