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a) A negative ion electrospray ionization (ESI) spectrum of ketoprofen is given in Figure 9.3. Which of the following is not correct?a. m/z at 289.1 corresponds to adduct ionb. Cl- or HCOO- are added to neutral ketoprofenc. m/z 253.1 is deprotonated ketop

匿名用户 最后更新于 2021-12-01 19:31 化学类Chemistry

a) A negative ion electrospray ionization (ESI) spectrum of ketoprofen is given in Figure 9.3.

100 M.HC00- 299.1 Fig. 9.3 A negative lon electrospray ionisation (ESI) spectrum of ketoprofen. BO СОЮ 80 Relative abundance 40 M.CH 289.1 91.0 20 1370 MH 253.1 50 150 250 miz 350 450

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