The studies on H-NMR for the determination of HCl concentrations were conducted.Facile H-NMR detection was developed to measure the proton spectra of HCl directly in the absence of solvent.Satisfactory spectra were obtained with reasonable lock,shim and parameters setup.Internal capillary tube containing 1,4-dioxane was used as standard for chemical shift calibration.The concentration of HCl of 12 mol·L-1 and0mol·L-1(pure water)was detected as 7.99 and 4.67 ppm,respectively.Standard curve of concentrations ...
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