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Acid-catalyzed oxidation of some sulfated macromolecules. Kinetics and mechanism of oxidation of kappa-carrageenan polysaccharide by permanganate ion in acid perchlorate solutions

Hassan, R.M. Chemistry Department, Faculty of Science, Assiut University, Assiut 71516, Egypt rmhassan2002@yahoo.com; Ahmed, G.A. Chemistry Department, Faculty of Science, Assiut University, Assiut 71516, Egypt; Zaafarany, I.A. Chemistry Department, Faculty of Applied Sciences, Umm Al-Qura University, Makkah Al-Mukarramah 13401, Saudi Arabia; Fawzy, A. Chemistry Department, Faculty of Science, Assiut University, Assiut 71516, Egypt; Asghar, B.S. Chemistry Department, Faculty of Applied Sciences, Umm Al-Qura University, Makkah Al-Mukarramah 13401, Saudi Arabia; Khairou, K.S. Chemistry Department, Faculty of Applied Sciences, Umm Al-Qura University, Makkah Al-Mukarramah 13401, Saudi Arabia (2015-01-23)
Base-catalyzed oxidation of some sulfated macromolecules: Kinetics and mechanism of formation of intermediate complexes of short-lived manganate (VI) and/or hypomanganate (V) during oxidation of iota- and lambda-carrageenan polysaccharides by alkaline permanganate

Hassan, R.M. Chemistry Department, Faculty of Science, Assiut University, Assiut 71516, Egypt rmhassan2002@yahoo.com; Alarifi, A. Chemistry Department, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; Ahmed, G.A. Chemistry Department, Faculty of Science, Assiut University, Assiut 71516, Egypt; Fawzy, A. Chemistry Department, Faculty of Applied Sciences, Umm Al-Qura University, Makkah Al-Mukarramah 13401, Saudi Arabia; Takagi, H.D. Department of Chemistry, Graduate Center of Materials Science, Nagoya University, Nagoya 464-01, Japan; Zaafarany, I.A. Chemistry Department, Faculty of Applied Sciences, Umm Al-Qura University, Makkah Al-Mukarramah 13401, Saudi Arabia (2015-01-23)