MALDI time‐of‐flight mass spectrometry of synthetic polymers

MWF Nielen - Mass Spectrometry Reviews, 1999 - Wiley Online Library
Mass spectrometry of intact synthetic polymers has been limited to field desorption (FD) MS
for many years. More recently, soft ionization techniques such as electrospray (ESI) and …

Pyrolysis of a large-scale molecular model for Illinois no. 6 coal using the ReaxFF reactive force field

F Castro-Marcano, MF Russo Jr, ACT Van Duin… - Journal of Analytical and …, 2014 - Elsevier
Reactive molecular dynamics simulations are a useful approach for investigating chemical
reactions and structural transformations in complex systems. Coal pyrolysis is one such area …

Structural characterization of vitrinite-rich and inertinite-rich Permian-aged South African bituminous coals

D Van Niekerk, RJ Pugmire, MS Solum… - International Journal of …, 2008 - Elsevier
Two South African coals of the same rank and age, but different in maceral composition
were subjected to extensive structural analyses. Inertinite-rich Highveld coal (dominated by …

A molecular model for Illinois No. 6 Argonne Premium coal: Moving toward capturing the continuum structure

F Castro-Marcano, VV Lobodin, RP Rodgers… - Fuel, 2012 - Elsevier
A large-scale molecular model for Illinois No. 6 Argonne Premium coal is generated based
on an automated construction approach in an effort to move toward capturing the continuum …

A large-scale molecular model of Fenghuangshan anthracite coal

Y Zhang, S Hu, Q Zhong, J Zhuo, JP Mathews - Fuel, 2021 - Elsevier
Abstract A large-scale (C 115925 H 42127 O 892 N 764 S 919) atomistic representation of
Fenghuangshan anthracite was constructed using an image-guided approach informed by …

Characterization of heavy hydrocarbons by chromatographic and mass spectrometric methods: An overview

AA Herod, KD Bartle, R Kandiyoti - Energy & Fuels, 2007 - ACS Publications
This paper reviews analytical methods that have been developed for characterizing complex
liquid mixtures derived from fossil fuels. The analysis of fractions with masses up to∼ 400 …

Determining the molecular weight distribution of Pocahontas No. 3 low-volatile bituminous coal utilizing HRTEM and laser desorption ionization mass spectra data

JP Mathews, V Fernandez-Also, AD Jones… - Fuel, 2010 - Elsevier
Knowledge of the molecular weight distribution is important for rationalizing coal behavior.
While many analytical approaches generate average data, inclusion of coal's inherent …

Detailed Characterization of Vitrinite-Rich Subbituminous and Bituminous Coals for Utilization in Carbon Fiber Precursor Production

E Cakmak, JP Mathews, S Wi, MR Ryder… - Energy & …, 2024 - ACS Publications
Chemical structures of candidate coals (one subbituminous coal from the Powder River
Basin and three bituminous Eastern US coals) were examined for potential low-cost carbon …

Molecular characterization of heteroatomic compounds in a high-temperature coal tar using three mass spectrometers

JL Zhu, X Fan, XY Wei, SZ Wang, TG Zhu… - Fuel Processing …, 2015 - Elsevier
A high-temperature coal tar (HTCT) was extracted by petroleum ether (PE) and the extract
(denoted by PE-HTCT) was characterized using three mass spectrometers to obtain and …

Molecular mass distributions and structural characterisation of coal derived liquids

AA Herod, MJ Lazaro, M Domin, CA Islas, R Kandiyoti - Fuel, 2000 - Elsevier
Calibration data for size exclusion chromatography and results from the analysis of MALDI–
TOF mass-spectra of coal derived liquids have been presented. The work provides the …