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pro vyhledávání: '"Julie L. Lapham"'
Autor:
Darren P. Lapham, Julie L. Lapham
Publikováno v:
Powder Technology. 342:676-689
The causes of atypical nitrogen adsorption isotherm features of commercial magnesium stearate grades have been investigated through a combination of alternative adsorbates and variation of analytical conditions. Atypical features have previously been
Autor:
Julie L. Lapham, Darren P. Lapham
Publikováno v:
International Journal of Pharmaceutics. 530:364-376
Commercial grades of magnesium stearate have been analysed by nitrogen adsorption having been pre-treated at temperatures between 30°C and 110°C and in the as-received state. Characteristics of nitrogen adsorption/desorption isotherms are assessed
Autor:
Darren P. Lapham, Julie L. Lapham
Publikováno v:
International journal of pharmaceutics. 568
Magnesium stearate is an extremely common pharmaceutical excipient and the measurement of BET surface area via nitrogen adsorption is undertaken during pharmaceutical formulation and manufacture. In this paper, four commercial magnesium stearate mate
Autor:
Darren P. Lapham, Julie L. Lapham
Publikováno v:
Microporous and Mesoporous Materials. 223:35-45
The spinel NiCo2O4 has been prepared as a powder and a film by three common techniques: thermal decomposition, co-precipitation and spray pyrolysis. The porous nature of these materials has been investigated by a combination of nitrogen adsorption an