Ferrites - Transitions Elements Luminescence by I.K. Fidelis

By I.K. Fidelis

Content material: part I. Amino acid research -- part II. finish staff equipment -- part III. Chain separation -- part IV. Cleavage of disulfide bonds -- part V. Selective cleavage by means of chemical equipment -- part VI. Selective cleavage with enzymes -- part VII. Separation of peptides -- part VIII. series research -- part IX. Chemical amendment -- part X. tools of peptide synthesis

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J. Mioduski We have attempted to use isomorphic ethyl sulfates of lanthanides to study the coordination number of lanthanide aquoions on the basis of the double-double effect. This idea arose immediately after we realized that the data of Staveley and coworkers show the double-double effect in the enthalpy of complexation after elimination of the enthalpies of hydration 84~. It was assumed that the coordination number of lanthanides aquoions can be determined from the thermodynamic quantities of the solubility of the isomorphic ethyl sulfates [Ln(H20)9](C2HsSO4)3 because in these compounds the lanthanide ions are surrounded in the crystal lattice by 9 water molecules in the known arrangement: face-centered trigonal prism (Helmholz structure93)), symmetry point group D3h.

B. Molecular and Recombination Luminescence . . . . . . . . . . C. Basic Characteristics of Luminescent Substances . . . . . . . . . 1. Electronic Spectra of Absorption, Excitation and Luminescence . . . . 2. Energy and Q u a n t u m Yield of Luminescence . . . . . . . . . 3. Lifetime of Excited States . . . . . . . . . . . . . . D. Kinetics of Photoluminescence . . . . . . . . . . . . . . E. Main Laws of Molecular Fluorescence .

D e t e r m i n a t i o n of Elements by Sensitized Luminescence . . . . . . B. D e t e r m i n a t i o n of Elements by Their Native Luminescence . . . . . . . 1. Lanthanides . . . . . . . . . . . . . . . . . . 2. M e r c u r y - like Ions . . . . . . . . . . . . . . . . 3. C h r o m i u m . . . . . . . . . . . . . . . . . . 4. U r a n i u m . . . . . . . . . . . . . . . . . . C. D e t e r m i n a t i o n of E l e m e n t s by Chemiluminescence .

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