Interfering in mass spectrometry
The sources of contaminants and interferents commonly encountered in LC/MS and MALDI mass spectrometry have been summarised by Canadian scientists who also provided a spreadsheet holding the details of more than 650 species of interest.
[July 15, 2008]
Prediction of the effects of imperfect construction of a QMS filter
[registered users only]
The predicted behaviour of imperfect QMS filters has been examined for filters with one rod displaced radially inward as this is a simple manufacturing defect that arises when a rod does not fit correctly into the mounting.
[July 7, 2008]
Fighting fragrance fraud
Genuine and counterfeit perfumes can be distinguished in a matter of seconds using a relatively new form of ambient mass spectrometry developed in Switzerland. Neutral desorption extractive electrospray ionisation allows the real-time analysis of complex matrices with reduced ion suppression.
[July 1, 2008]