Chemical composition and binary mixture of human urinary stones using FT-Raman spectroscopy method

• FT-Raman spectra of ten human urinary stone samples were analyzed.
• The chemical constituents of human urinary stone samples were identified.
• The human urinary stones analyzed qualitatively and quantitatively.

In the present study the human urinary stones were observed in their different chemical compositions of calcium oxalate monohydrate, calcium oxalate dihydrate, calcium phosphate, struvite (magnesium ammonium phosphate), uric acid, cystine, oxammite (ammonium oxalate monohydrate), natroxalate (sodium oxalate), glushinkite (magnesium oxalate dihydrate) and moolooite (copper oxalate) were analyzed using Fourier Transform-Raman (FT-Raman) spectroscopy. For the quantitative analysis, various human urinary stone samples are used for ratios calculation of binary mixtures compositions such as COM/COD, HAP/COD, HAP/COD, Uric acid/COM, uric acid/COD and uric acid/HAP. The calibration curve is used for further analysis of binary mixture of human urinary stones. For the binary mixture calculation the various intensities bands at 1462 cm−1 (ICOM), 1473 cm−1 (ICOD), 961 cm−1 (IHAP) and 1282 cm−1 (IUA) were used.

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