Abstract
The addition of citric acid in the growth solution of LAP found to inhibits the microbial contamination and coloration of the solution with time exist in the growth of LAP by the conventional slow solvent evaporation technique. The stability study of the pure and citric acid mixed LAP solution at different temperature shows that the addition of citric acid has the advantage of extending the durability of the growth solution without coloration and convenience of usage for the growth of high-quality LAP crystals. Pure and Li + -doped LAP crystals were grown by slow solvent evaporation technique and are characterized by X-ray powder diffraction, FTIR, thermal analysis (TGA, DTA) and AC impedance analysis. The presence of Li + in Li + -doped LAP was measured by atomic absorption spectroscopy (AAS). The results suggested that tri-lithium citrate has the characteristics of lithium doping in LAP crystals and inhibits the microbial growth and coloration.
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