María José Cuesta

1D-NMR and 2D-NMR analysis of the thermal degradation products from vitrinites in relation to their natural hydrogen enrichment (2006)

José Iglesias, María, José Cuesta, María, Laggoun-Défarge, Fatima, Suarez-Ruiz, Isabel

A study of coal products obtained from Gray-King pyrolysis at 550 °C was carried out in order to obtain information about the chemical modifications of the huminite/vitrinite structure resulting...

1D-NMR and 2D-NMR analysis of the thermal degradation products from vitrinites in relation to their natural hydrogen enrichment (2006)

José Iglesias, María, José Cuesta, María, Laggoun-Défarge, Fatima, Suarez-Ruiz, Isabel

A study of coal products obtained from Gray-King pyrolysis at 550 °C was carried out in order to obtain information about the chemical modifications of the huminite/vitrinite structure resulting...

1D-NMR and 2D-NMR analysis of the thermal degradation products from vitrinites in relation to their natural hydrogen enrichment (2006)

José Iglesias, María, José Cuesta, María, Laggoun-Défarge, Fatima, Suarez-Ruiz, Isabel

A study of coal products obtained from Gray-King pyrolysis at 550 °C was carried out in order to obtain information about the chemical modifications of the huminite/vitrinite structure resulting...

Chemical-structural changes during the thermal treatment of hydrogen-rich vitrinites caused by the presence of terpene-type resin (2006)

José Iglesias, María, José Cuesta, María, Laggoun-Défarge, Fatima, Suarez-Ruiz, Isabel

The vitrain from Teruel (North-Eastern Spain) is a good example of a vitrinite whose perhydrous character and anomalous properties are caused by the presence of terpene-type resin. The sample used in...

Chemical-structural changes during the thermal treatment of hydrogen-rich vitrinites caused by the presence of terpene-type resin (2006)

José Iglesias, María, José Cuesta, María, Laggoun-Défarge, Fatima, Suarez-Ruiz, Isabel

The vitrain from Teruel (North-Eastern Spain) is a good example of a vitrinite whose perhydrous character and anomalous properties are caused by the presence of terpene-type resin. The sample used in...

1D-NMR and 2D-NMR analysis of the thermal degradation products from vitrinites in relation to their natural hydrogen enrichment (2006)

José Iglesias, María, José Cuesta, María, Laggoun-Défarge, Fatima, Suarez-Ruiz, Isabel

A study of coal products obtained from Gray-King pyrolysis at 550 °C was carried out in order to obtain information about the chemical modifications of the huminite/vitrinite structure resulting...

Control of the chemical structure of perhydrous coals. FTIR and Py-GC/MS investigations. (2002)

José Iglesias, María, Carlos Del Río, José, Laggoun-Défarge, Fatima, José Cuesta, María, Suárez-Ruiz, Isabel

This work analyses a set of perhydrous coals (mainly composed of huminite/vitrinite maceral group) in order to determine the inter-relations between the hydrogen content and the modifications in the...

Control of the chemical structure of perhydrous coals. FTIR and Py-GC/MS investigations. (2002)

José Iglesias, María, Carlos Del Río, José, Laggoun-Défarge, Fatima, José Cuesta, María, Suárez-Ruiz, Isabel

This work analyses a set of perhydrous coals (mainly composed of huminite/vitrinite maceral group) in order to determine the inter-relations between the hydrogen content and the modifications in the...

Control of the chemical structure of perhydrous coals. FTIR and Py-GC/MS investigations. (2002)

José Iglesias, María, Carlos Del Río, José, Laggoun-Défarge, Fatima, José Cuesta, María, Suárez-Ruiz, Isabel

This work analyses a set of perhydrous coals (mainly composed of huminite/vitrinite maceral group) in order to determine the inter-relations between the hydrogen content and the modifications in the...

Control of the chemical structure of perhydrous coals. FTIR and Py-GC/MS investigations. (2002)

José Iglesias, María, Carlos Del Río, José, Laggoun-Défarge, Fatima, José Cuesta, María, Suárez-Ruiz, Isabel

This work analyses a set of perhydrous coals (mainly composed of huminite/vitrinite maceral group) in order to determine the inter-relations between the hydrogen content and the modifications in the...

The influence of impregnation by hydrocarbons on coal structure during its thermal evolution (2001)

José Iglesias, María, José Cuesta, María, Laggoun-Défarge, Fatima, Suarez-Ruiz, Isabel

The present work analyses the changes in the chemical structure of a perhydrous coal during its thermal evolution at different temperatures in an open-medium pyrolysis system. The results obtained...

The influence of impregnation by hydrocarbons on coal structure during its thermal evolution (2001)

José Iglesias, María, José Cuesta, María, Laggoun-Défarge, Fatima, Suarez-Ruiz, Isabel

The present work analyses the changes in the chemical structure of a perhydrous coal during its thermal evolution at different temperatures in an open-medium pyrolysis system. The results obtained...

The influence of impregnation by hydrocarbons on coal structure during its thermal evolution (2001)

José Iglesias, María, José Cuesta, María, Laggoun-Défarge, Fatima, Suarez-Ruiz, Isabel

The present work analyses the changes in the chemical structure of a perhydrous coal during its thermal evolution at different temperatures in an open-medium pyrolysis system. The results obtained...

The influence of impregnation by hydrocarbons on coal structure during its thermal evolution (2001)

José Iglesias, María, José Cuesta, María, Laggoun-Défarge, Fatima, Suarez-Ruiz, Isabel

The present work analyses the changes in the chemical structure of a perhydrous coal during its thermal evolution at different temperatures in an open-medium pyrolysis system. The results obtained...