Investigation to find a suitable reference material for use as an inverse gas chromatography system suitability test

International Journal of Pharmaceutics

Volumn 318, Issue 1-2, 2006, Pages 22-27

  Stapley, J ^a,b   Buckton, G ^b   Merrifield, D ^a  

^a GLAXOSMITHKLINE   (United Kingdom)

^b UNIVERSITY OF LONDON   (United Kingdom)

Author keywords

Alumina; Dispersive surface energy; Inverse gas chromatography; System suitability

Indexed keywords

ALPHA ALUMINA; ALUMINUM OXIDE; INORGANIC COMPOUND; NITROGEN; UNCLASSIFIED DRUG;

ADSORPTION; ARTICLE; DISPERSION; GOOD MANUFACTURING PRACTICE; HIGH TEMPERATURE; HUMIDITY; HYDRATION; INVERSE GAS CHROMATOGRAPHY; PRIORITY JOURNAL; QUALITY CONTROL; STATISTICAL SIGNIFICANCE; SURFACE PROPERTY; THERMOSTABILITY;

ALUMINUM OXIDE; CHEMISTRY, PHARMACEUTICAL; CHROMATOGRAPHY, GAS; GASES; HUMIDITY; INDICATORS AND REAGENTS; REFERENCE STANDARDS;

EID: 33745603248     PISSN: 03785173     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ijpharm.2006.03.011     Document Type: Article

References (14)

1. Ahfat N.M., Buckton G., Burrows R., and Ticehurst M.D. An exploration of inter-relationships between contact angle, inverse phase gas chromatography and triboelectric charging data. Eur. J. Pharm. Sci. 9 (2000) 271-276
2. Buckton G., Darcy P., and McCarthy D. The extent of errors associated with contact angles 3. The influence of surface roughness effects on angles measured using a Wilhelmy plate technique for powders. Colloid. Surfaces A: Physicochem. Eng. Aspects 95 (1995) 27-35
3. Buckton G., Ambarkhane A., and Pincott K. The use of inverse phase gas chromatography to study the glass transition temperature of a powder surface. Pharm. Res. 21 (2004) 1554-1557
4. Dove J.W., Buckton G., and Doherty C. A comparison of two contact angle methods and inverse gas chromatography to assess the surface energies of caffeine and theophylline. Int. J. Pharm. 138 (1996) 199-206
5. Newell H.E., Buckton G., Butler D.A., Thielmann F., and Williams D.R. The use of inverse phase gas chromatography to measure the surface energy of crystalline, amorphous and recently milled lactose. Pharm. Res. 18 (2001) 662-666
6. Newell H.E., Buckton G., Butler D.A., Thielmann F., and Williams D.R. The use of inverse phase gas chromatography to study the change of surface energy of amorphous lactose as a function of relative humidity and the processes of collapse and crystallisation. Int. J. Pharm. 217 (2001) 45-56
7. Newell H.E., and Buckton G. Inverse gas chromatography: Investigating whether the technique preferentially probes higher energy sites for mixtures of crystalline and amorphous lactose. Pharm. Res. 21 (2004) 1440-1444
8. Ohta M., and Buckton G. The use of inverse gas chromatography to assess the acid-base contributions to surface energies of cefditoren pivoxil and methacrylate copolymers and possible links to instability. Int. J. Pharm. 272 (2004) 121-128
9. Ohta M., and Buckton G. A study of the differences between two amorphous spray dried samples of cefditoren pivoxil which exhibited different physical stabilities. Int. J. Pharm. 289 (2005) 31-38
10. Sun C., and Berg J.C. Effect of moisture on the surface free energy and acid-base properties of mineral oxides. J. Chromatogr. A 969 (2002) 59-72
11. Thielmann F., and Baumgarten E. Characterization of microporous aluminas by inverse gas chromatography. J. Colloid. Inter. Sci. 229 (2000) 418-422
12. Ticehurst M.D., Rowe R.C., and York P. Determination of the surface properties of two batches of salbutamol sulphate by inverse gas chromatography. Int. J. Pharm. 111 (1994) 241-249
13. Yokoi Y., Yonemochi E., and Terada K. Changes in surface properties by granulation and physicochemical stability of granulated amorphous cefditoren pivoxil with additives. Int. Pharm. 280 (2004) 67-75
14. Zhang D., Flory J.H., Panmai S., Batra U., and Kaufman M.J. Wettability of pharmaceutical solids: its measurement and influence on wet granulation. Colloid. Surfaces A: Physicochem. Eng. Aspects 206 (2002) 547-554