Skip to main content Accessibility help

Studies of Potassium Dihydrogen Phosphate (KDP) Crystals Doped with Potassium Dichromate (PD) using ICP and UV Spectrophotometer

  • Selemani Seif (a1) and Ravindra Behari Lal (a2)


This paper reports on preparation and characterization of Potassium Dihydrogen Phosphate (KDP) crystals doped with Potassium Dichromate (PD). The crystals were grown at room temperature by solution evaporation technique. The grown crystals were polished, sliced, and analyzed using UV-Spectrophotometer, which showed high concentration of PD impurities in KDP crystals at 200-280 nanometer. These concentrations were then verified using ICP measurements to determine specific amount in ppm of chromium ions in KDP crystals. In additional to that, the UV-transmittance data of these crystals were then converted to absorbance per thickness, and used to calculate absorption coefficients, extinction coefficients, and refractive index as a function of wavelength. The results showed that the presence of PD impurities in the crystal matrix of KDP has played a key reformative role in the UV sensing of Potassium Diphosphate crystals.



Hide All
[1]. Strait, L. A., Kumler, W. D., Sah, P. P. T., Alpen, E. L., and Chang, F. N. H., J. of the Opt. Soc. of America, 38 (12), 1098 (1948).
[2]. Hirt, R.C., J. of Chem. Education, 29, 301303 (1952).
[3]. Foster, G. E., and Macdonald, J., J.of Pharm. and Pharmaco, 3, 127128 (1951).
[4]. Biggs, A. J., J. of Pharm. and Pharmaco, 4, 547559 (1952).
[5]. Salomon, K., and Bina, A. F., J. of the American Chem. Soc, 68, 2403 (1946).
[6]. Stukey, R. E., Ibid, 4, 345365 (1952).
[7]. Seif, S., Bhat, K., Batra, A. K., Aggarrwal, M. D., and Lal, R. B.. Mater. Letters, 20, 991 (2003).
[8]. Maeda, K., Tabuchi, R., Asakuma, Y., and Fukui, K., Cryst. Res. Technol. 41 (10), 955 (2006).
[9]. Deshpande, K., Cheung, S., Rao, M. S., and Dave, B. C., J. Mater. Chem, 15, 2997 (2005).
[10]. Velikhov, Y., Pritula, I., Ganina, I., Kolybayeva, M., Puzikov, V., and Levchenko, A. N., Cryst. Res. Technol. 42 (1), 27 (2007).



Full text views

Total number of HTML views: 0
Total number of PDF views: 0 *
Loading metrics...

Abstract views

Total abstract views: 0 *
Loading metrics...

* Views captured on Cambridge Core between <date>. This data will be updated every 24 hours.

Usage data cannot currently be displayed