1. 1) Moffat A. C., “Clarke’s Isolation and Identification of Drugs,” 2nd ed., The Pharmaceutical Press, London, 1986.
2. 2) El-Sebai A. I., Abdel-hamid M. E., Abuirjele M. A., Hurani A. M., Anal. Lett., 21, 423–434 (1988).
3. 3) Hou J. H., Poole J. W., J. Pharm. Sci., 58, 447–454 (1969).
4. 4) Alekseev V. G., Shcherbakova E. E., Yakubovich Yu. Ya., Vorob’ev N. N., Larin S. V., Shigina O. Yu., Russ. J. Gen. Chem., 76, 321–324 (2006).
5. 5) Mompean F. J., Illemassene M., Perrone J., “Chemical Thermodynamics, Vol. 6, Chemical Thermodynamics of Nickel,” 1st ed., Elsevier Science, Burlington, 2005.