SYMPOSIA PAPER Published: 01 January 1989
STP18678S

Analysis of Coal-Derived Materials with Low Volatility by Low-Voltage, High-Resolution Mass Spectrometry in Conjunction with Direct-Insertion-Probe Techniques

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A low-voltage, high-resolution mass spectrometric (LVHRMS) method utilizing direct-insertion-probe techniques for analyses of coal-derived materials with low volatility is presented. The reproducibility of the LVHRMS-direct-insertion-probe method for determining heteroatomic composition, homologous series, and carbon number distributions of coal-derived materials is demonstrated. An auxiliary method to compute the experimental masses of sample peaks is described. The application of the LVHRMS-direct-insertion-probe method to the analyses of coal extracts treated with molten caustic to remove organosulfur compounds is reported. The LVHRMS-direct-insertion-probe method described can be applied to other complex materials containing heteroatoms.

Author Information

Schmidt, CE
DOE/PETC, Pittsburgh, PA
Sprecher, RF
DOE/PETC, Pittsburgh, PA
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Developed by Committee: D02
Pages: 116–132
DOI: 10.1520/STP18678S
ISBN-EB: 978-0-8031-5080-5
ISBN-13: 978-0-8031-1198-1