GAS-PHASE ION-MOLECULE REACTIONS OF THE CH30+ CATION

被引:22
作者
ZAPPEY, HW [1 ]
INGEMANN, S [1 ]
NIBBERING, NMM [1 ]
机构
[1] UNIV AMSTERDAM,INST MASS SPECTROMETRY,NIEUWE ACHTERGRACHT 129,1018 WS AMSTERDAM,NETHERLANDS
关键词
D O I
10.1016/1044-0305(92)85028-I
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
The methoxy cation, CH3O+, formed by collision-induced charge reversal of methoxy anions with a kinetic energy of 8 keV, has been differentiated from the isomeric CH2OH+ ion by performing low kinetic energy ion-molecule reactions in the radiofrequency-only quadrupole of a reverse-geometry double-focusing quadrupole hybrid mass spectrometer. The methoxy cation reacts with CH3SH, CH3 - CH = CH2, (CH3)20, and CH3CH2Cl by electron transfer, whereas the 4CH2OH+ ion reacts by proton transfer with these substrates
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页码:515 / 517
页数:3
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