Alunogen is a hydrated aluminium sulphate with the formula Al2(SO4)3·17H2O, regarded as a grandfather mineral species because it has been known since 1832 [1]. Alunogen is a rather widely distributed mineral reported as an acid mine drainage mineral and low-temperature fumarolic mineral or ...
presence of aggregates & unwanted changes in colour, odour, pH and viscosity. For determination of viscosity & pH a Brook-field viscometer and pH meter were used. Further, the drug content analysis of 2 T-SLN gel was also done using UV spectrophotometer at λmax, 296 nm (Lippacher et ...