posted on 2014-07-07, 02:55authored byJohannes Mertl, Christian Kirchnawy, Veronica Osorio, Angelika Grininger, Alexander Richter, Johannes Bergmair, Michael Pyerin, Michael Washüttl, Manfred Tacker
a
… identification of the substance verified by comparison to a standard.
b
… identification of the substances by database comparison of mass spectra, not verified by comparison to a standard.