Extraction properties for U(VI) by the 25, 27-dihydroxy-26, 28-dimercaptoethoxy-5, 11, 17, 23-tetra-tert-butyl calix[4]arene

Keyphrases

• 1H nuclear Magnetic Resonance (1H NMR) 50%
• Arenes 100%
• Calix 100%
• Coexisting Cation 50%
• Control Method 50%
• Control Variables 50%
• Enthalpy Change 50%
• Exothermic Process 50%
• Extraction Properties 100%
• Extraction Time 50%
• Fourier Transform Infrared Spectroscopy (FT-IR) 50%
• Gibbs Free Energy 50%
• Irm-NMR 50%
• Optimum pH 50%
• PH Value 50%
• Pseudo-second Order Kinetic Model 50%
• Reflux Condition 50%
• Spontaneous Process 50%
• Tert-butyl 100%
• TETRA 100%
• Thiophenol Derivatives 50%
• U(VI) 100%
• Uranium Extraction 50%

Chemistry

• 1H NMR Spectroscopy 50%
• Calix[4]arene 100%
• Cation 50%
• Chemical Kinetics Characteristics 50%
• Enthalpy 50%
• Gibbs Free Energy 50%
• Thiophenol 50%
• Uranium 50%

Chemical Engineering

• Enthalpy 50%
• Gibbs Free Energy 50%
• Polycyclic Aromatic Hydrocarbon 100%