CHARACTERIZATION OF MANGANESE DOPED SODIUM BORATE GLASSES USING SPECTROSCOPIC METHODS

Glass samples belonging to the general chemical formula 60B2O3–(40-x)Na2O–xMnO2 with x=5, 10,15, 20, and 25 mol % are prepared by melt quench method. Characterization of the system was carried out using XRD, SEM and FTIR. The structural changes with composition of the glasses have been studied by FT-IR spectroscopy. FT-IR spectra analysis indicates that MnO2 is preferentially incorporated into the borate network. Amorphous nature of the system was confirmed by XRD and SEM is used to study the morphology of the glass samples

Computation of excess values of some acoustical parameters of binary/ternary liquid systems using C-program

346-349<span style="font-size: 15.5pt;mso-bidi-font-size:8.5pt;font-family:" times="" new="" roman","serif""="">Excess values of acoustical parameters obtained from experimental measurements and theoretical calculation in binary/ternary liquid mixtures provide valuable information about the nature and strength or molecular interactions in the system. A brief explanation on the computation of the excess values of acoustical parameters using C-program <span style="font-size:13.0pt;mso-bidi-font-size: 6.0pt;font-family:HiddenHorzOCR;mso-hansi-font-family:" times="" new="" roman";="" mso-bidi-font-family:hiddenhorzocr"="">is <span style="font-size:15.5pt; mso-bidi-font-size:8.5pt;font-family:" times="" new="" roman","serif""="">presented. </span