To obtain access to full text of journal and articles you must register!
- Article name
- Definition of "weak" complexing parameters of lowmolecular compounds on the basis of data of highmolecular compounds complexing
- Authors
- VAINSTEIN E. F., , dr_vainshtein@front.ru, N. M. Emanuel Institute of Biochemical Physics of RAS, Moscow, Russia
- Keywords
- lowmolecular compounds / highmolecular compounds / "weak" complexing / composition of complexes / structure of complexes / complexing equilibrium constant / enthalpy change / complexing heat / entropy change / intermolecular interaction / absolute temperature
- Year
- 2012 Issue 4 Pages 34 - 39
- Code EDN
- Code DOI
- Abstract
- Possibilities of composition and structure definition of weak complexes of lowmolecular compounds (LMC) and thermodynamic functions of their formation at constant temperature and pressure on the basis of calculated and experimental data on analogous complexing of highmolecular compounds (polymers) were observed. It was noted that under weak complexes in chemistry are understood complexes at formation of which ratio ΔH/Rt ≤ 1 is realized and that at T > Tf weak complexes are't formed. It was experimentally shown that use of calculated and experimental data on weak compexing of polymers at complexing of LMC is conditioned by formation possibility in polymers great number of complexes of the same type. These complexes are analogous to complexes which are formed in homopolymers and in LMC, which are hear on chemical structure to weak complexes. It was know that use of great number of complexes of the same type in polymers is allowed to raise parameters definition accuracy of wear complexes formation. It was established that transfer of data of polymers complexing on LMC complexing is founded on experimental independence of complexing heat on reaction site (system volume), heat additivity and chain length at identical (defined) chemical structure of forming complexes.
- Text
- To obtain access to full text of journal and articles you must register!
- Buy
