[2] Lide D. R., “CRC Handbook of Chemistry and Physics” CRC Press: Florida, (2011).
[3] a) Howell Furman N., “Standard Methods Of Chemical Analysis” (6th Ed.); D.Van Nostrand: Canada, 870-880 (1962).
[4] a) Howell Furman N., “Standard Methods Of Chemical Analysis” (6th ed.); D. Van Nostrand: Canada, 881-888, (1962).
[5] http://www.sanatekhodro.com/Template3/Article. aspx?AID=478#1318 , Available on October of 2010.
[6] a) Bartholomew C., Mechanisms of Catalyst Deactivation, Applied Catalysis A , 212: 17–60 (2001).
[7] Jha M.C., Hill S.D., “Precious Metals ’89; The Minerals”, Metals & Materials Society: USA, 503 (1989).
[8] Hagelu¨ken C., Verhelst M., Recycling of Precious Metal Catalysts, Catalysis, 9: 21- (2004).
[9] Suzuki S., Ogino M., Matsumoto T., Recovery of Platinum Group Metals at Nippon PGM Co. Ltd., MMIJ, 123: 734- (2007).
[17] Jha M.C., Hill S.D., “Precious Metals ’89”; The Minerals, Metals & Materials Society: USA, 483 (1989).
b) Hwang S.Y., et al. & Grilc M., et. al., Chem. Cat. Chem., 8(1): 1–275 (2016).
[28] Bader N., Catalyst Handling and Disposal Become More Important in Environmental Era, Oil Gas , 94: 64- (1996).
[32] Ruowen F., Zeng H., Lu Y., The Reduction of Pt(IV) with Activated Carbon Fibers - An XPS Study, Carbon, 33: 657- (1995).
[40] http://www.alibaba.com/product-detail/price-of-nitric- acid-industrial- grade_947082551.html?s=p, available on Sep. 2014