Joint Mass Spectrometry Centre;
Chair of Analytical Chemistry;
Institute of Chemistry;
University of Rostock;
Rostock;
Germany;
Sasol Group Technology R&T;
Sasolburg;
South Africa;
Joint Mass Spectrometry Centre;
Department of Comprehensive Molecular Analytics (CMA);
Helmholtz Zentrum München;
Oberschleissheim;
Germany;
Coal; Ranks; Photoionization; Temperature; Effect; Molecular; Weight; Distribution; Coal; Pyrolysis; Gas;