Development of Li column chemistry procedure for calcium carbonate material
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The main objective of the study was to develop a relatively fast and robust column to isolate Li from the matrix components in solutions prepared from carbonate materials. Four parameters, eluent concentration, matrix loading, Li and acid concentration in sample solutions, were used to evaluate the column's efficiency and robustness. The thesis results show that Li and acid concentration in the sample solution do not affect the Li isolation, but the elution range of higher matrix loading will shift to the smaller range. The whole eluting procedure with optimized concentration 0.3 M HCl only takes around 4 hours. The ��7 Li values with uncertainties (2σ) of samples prepared using the developed set-up were highly consistent with the reference values and the comparative measurement.
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