Research Article

Preparation and Characterization of High Purity Anhydrous β-Lactose from α-Lactose Monohydrate at Mild Temperature

Table 3

Cell parameters and zero shift calculated from the Rietveld refinement.

Parameters29°C31°C32°C27°C
β-Lactoseβ-Lactoseβ-Lactoseα-Lactoseα-Lactose

(Å)4.964.964.954.824.83
(Å)13.3613.3513.3421.6221.61
(Å)10.8610.8510.857.787.78
alpha (degrees)9090909090
beta (degrees)91.5791.5791.57105.96105.98
gamma (degrees)9090909090
Zero shift (degrees)0.020.060.0750.06