[求救] ESI電灑
最近在讀paper
實驗利用了HPLC-DAD-ESI-MS/MS
材料方法裡面提到
Both positive and negative electrospray modes were used
for ionization of molecules with capillary voltage at 4000 V. The
fragmentor voltage was 140 V and the collision voltage was 15 V.
我知道ESI是在毛細管施予高電壓產生離子
請問
裡面提到的fragmentor voltage 和 collision voltage是什麼意思?
paper是指電灑是正向負向都有使用嗎?
希望有人能幫解答
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