Temperature resolved second harmonic generation to probe the structural purity of m-hydroxybenzoic acid
@article{Clevers2012TemperatureRS, title={Temperature resolved second harmonic generation to probe the structural purity of m-hydroxybenzoic acid}, author={S. Clevers and F. Simon and V. Dupray and G. Coquerel}, journal={Journal of Thermal Analysis and Calorimetry}, year={2012}, volume={112}, pages={271-277} }
We report the use of second harmonic generation (SHG) and temperature resolved second harmonic generation (TR-SHG) for in situ probing and monitoring the structural purification of m-hydroxybenzoic acid (MHBA). Pure and mixtures of the two polymorphic forms of MHBA (metastable Pna21 and stable P21/c) and commercial MHBA were analysed by: DSC, XRPD and SHG. Results obtained with these three techniques are compared and demonstrate for that particular component, the high sensitivity and accuracy… CONTINUE READING
18 Citations
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