Re: Ghostpeaks in ESI+ MS

Hi all,

which masses do you expect? 288 and 316 are not caused by common inpurities
from solvents or materials used during clean-up. A little more information
is needed to help.

Rainer Lörwald
ThermoElectron Germany

"Mathias" <[EMAIL PROTECTED]> schrieb im Newsbeitrag
news:[EMAIL PROTECTED]
} Hallo everybody,
}
} I have a question on some peaks in ESI+. In many cases I detekt the
} peaks 288(m/z) and 316 (m/z). I think it's an impurity.
} Has somebody an idea, which kind of compound(s) this could be ?
}
} Thank you for your help.
}
} Mathias
}
}