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Formation of the unusual [M+H-11 Da]+ ion peak in the collision-induced dissociation mass spectrum of [M+H]+ ion of hydrochlorothiazide

✍ Scribed by Sang Kyu Lee; Ho Jun Kim; Changbae Jin; Jaeick Lee

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 216 KB
Volume: 44
Category: Article
ISSN: 1076-5174
DOI: 10.1002/jms.1640

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A fast atom bombardment mass spectrometric study of the meso-substituent effect of octaethylporphyrins (QEPX, X = NH, , CH, , H, CHQ, C1, CN, NO,) is reported. The intensity of the [ M + H] + ion peaks was estimated quantitatively using an external standard, which was observed to be correlated linea