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X-ray photoelectron spectroscopy of Ni-and Co-bis (dimethylglyoximato)complexes within a Na-X matrix
Affiliation:1. State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, China;2. State Environmental Protection Engineering Center for Organic Chemical Wastewater Treatment and Resource Reuse, Nanjing 210046, China;3. Research Center for Environmental Nanotechnology (ReCENT), Nanjing University, Nanjing 210023, China;1. Guangxi Key Laboratory of Processing for Non-ferrous Metal and Featured Materials, Guangxi University, Nanning 530004, China;2. School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China;1. Department of Chemistry, Faculty of Applied Science, Umm Al-Qura University, Makkah 21955, Saudi Arabia;2. Drug Exploration & Development Chair (DEDC), Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia;3. Peptide Chemistry Department, Chemical Industries Research Division, National Research Centre, 12622-Dokki, Cairo, Egypt;4. Department of Chemistry, Faculty of Science, King Saud University, Riyadh 11451, Saudi Arabia;5. Department of Chemistry, University College in Al-Qunfudhah, Umm Al-Qura University, Saudi Arabia;6. Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh 11671, Saudi Arabia;7. Department of Chemistry, College of Sciences and Arts-Alkamil, University of Jeddah, Jeddah 23218, Saudi Arabia;8. Department of Chemistry, Faculty of Science, Al-Azhar University, Cairo 11651, Egypt;9. Department of Chemistry, Rabigh College of Science and Arts, King Abdulaziz University, Rabigh 21911, Saudi Arabia;10. Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia;11. Department of Chemistry, Faculty of Science, Mansoura University, Mansoura 35516, Egypt
Abstract:X-ray photoelectron spectroscopy is used to study the formation and location of Ni2+- and Co2+-bis(dimethylglyoximato) complexes following the reaction of Ni2+- and Co2+-exchanged Na-X zeolites with dimethylglyoxime. The formation of the complexes and the location within or on the outer surface of the zeolite matrix is sensitive to the reaction conditions and the sequence of reaction steps.
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