The use of inverse phase gas chromatography to measure the surface energy of crystalline, amorphous, and recently milled lactose

HE Newell, G Buckton, DA Butler, F Thielmann… - Pharmaceutical …, 2001 - Springer
Purpose. To assess differences in surface energy due to processing induced disorder and to
understand whether the disorder dominated the surfaces of particles. Methods. Inverse gas …

BET surface area measurement of commercial magnesium stearate by krypton adsorption in preference to nitrogen adsorption

DP Lapham, JL Lapham - International Journal of Pharmaceutics, 2019 - Elsevier
Magnesium stearate is an extremely common pharmaceutical excipient and the
measurement of BET surface area via nitrogen adsorption is undertaken during …

Use of surface energy distributions by inverse gas chromatography to understand mechanofusion processing and functionality of lactose coated with magnesium …

SC Das, Q Zhou, DAV Morton, I Larson… - European journal of …, 2011 - Elsevier
The purpose was to employ a new finite dilution approach to determine total surface energy
distributions of mechanofused powders by inverse gas chromatography (IGC) to contribute …

Comparison of Dorris–Gray and Schultz methods for the calculation of surface dispersive free energy by inverse gas chromatography

B Shi, Y Wang, L Jia - Journal of chromatography A, 2011 - Elsevier
Inverse gas chromatography (IGC) is an important technique for the characterization of
surface properties of solid materials. A standard method of surface characterization is that …

Effect of surface heterogeneity on adsorption on solid surfaces: application of inverse gas chromatography in the studies of energetic heterogeneity of adsorbents

B Charmas, R Leboda - Journal of Chromatography A, 2000 - Elsevier
The paper presents a literature review of the chromatographic methods used for
investigations of the heterogeneity of solid surfaces. Special attention is paid to inverse gas …

Inverse gas chromatography: a new approach to the estimation of specific interactions

MC Gutierrez, J Rubio, F Rubio, JL Oteo - Journal of Chromatography A, 1999 - Elsevier
Inverse gas chromatography (IGC) has proved to be a powerful tool for characterisation of
solid surfaces, particularly those that cannot be easily studied by other methods, like fibres …

Inverse gas chromatography study on London dispersive surface free energy and electron acceptor–donor of fluconazole drug

PK Basivi, VR Pasupuleti, R Seella… - Journal of Chemical & …, 2017 - ACS Publications
The inverse gas chromatography study on the fluconazole drug surface was performed, and
the net retention volumes, polar probes, and VN of n-alkanes are determined at four …

Importance of the accuracy of experimental data in the nonlinear chromatographic determination of adsorption energy distributions

BJ Stanley, G Guiochon - Langmuir, 1994 - ACS Publications
Adsorption energy distributions (AEDs) are calculated from the classical, fundamental
integral equation of adsorption using adsorption isotherms and the expectation …

Calculations of the energy distribution from perturbation peak data—a new tool for characterization of chromatographic phases

J Samuelsson, T Fornstedt - Journal of Chromatography A, 2008 - Elsevier
The calculation of the adsorption energy distribution (AED) was recently introduced as an
important tool for the chromatographic community for characterization of modern phases …

Activated carbon surface heterogeneity seen by parallel probing by inverse liquid chromatography at the solid/liquid interface and by gas adsorption analysis at the …

C Garnier, T Görner, F Villiéras, P De Donato… - Carbon, 2007 - Elsevier
The energetic surface heterogeneity of four different activated carbons was assessed by the
parallel probing at the solid/liquid and solid/gas interfaces. At the solid/liquid interface a …