Abstract − Analytical Sciences, 19(8), 1191 (2003).
Novel Calibrants for Accurate Mass Measurement in ESI-MS
Kazuko YAMASHITA, Masahiko OKAMOTO, and Kiyoshi NAKAI
Environmental Health Science Laboratory, Sumitomo Chemical Co., Ltd. 3-1-98, Kasugade-naka, Konohana-ku, Osaka 554-8558, Japan
We discovered novel calibrants, several 2,2,6,6-tetraalkylpiperidinyl derivatives, for accurate mass measurements by electrospray ionization mass spectrometry (ESI). These compounds showed excellent performance as internal calibrants for the accurate mass measurement in ESI-MS, without problems arising from differences in the ionization efficiencies between the analytes and calibrants.
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