TOFMS distinguishes ions of different m/z according to the time required for accelerated ions to reach a detector at a fixed distance from the ion source. Distance-of-flight MS (DOFMS) is a new type of MS that reverses this detection concept: an array of detectors spaced throughout the drift region could record the distance that ions travel during a fixed time. DOFMS has not yet been implemented, but in the November 15 issue of Analytical Chemistry (pp 8650-8661), Christie G. Enke and Gareth S. Dobson of the University of New Mexico lay the foundations for the method by determining the conditions for ion focus.
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机译：TOFMS根据加速离子到达离离子源固定距离的检测器所需的时间来区分不同m / z的离子。飞行距离质谱仪（DOFMS）是一种新型的质谱仪，它颠倒了这种检测概念：在整个漂移区中排列的一系列检测器可以记录离子在固定时间内的传播距离。 DOFMS尚未实施，但在11月15日的《分析化学》（第8650-8661页）中，新墨西哥大学的Christie G. Enke和Gareth S. Dobson通过确定离子条件为该方法奠定了基础。焦点。
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