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Microcalorimetric Studies: Enthalpies of Formation of Amino-acid and Peptide Complexes of Coppcr(ll) and Nickel(II)

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dc.date.accessioned 2025-01-31T10:04:57Z
dc.date.available 2025-01-31T10:04:57Z
dc.date.issued 1972
dc.identifier.uri http://dspace.bits-pilani.ac.in:8080/jspui/handle/123456789/16991
dc.description.abstract Measurements of the enthalpies of decomposition by acid at 24–25°C of a number of amino-acid and peptide complexes of CuII and NiII in solution (µ= 0.100 M) have been made using a Beckman microcalorimeter. The enthalpies of formation (from ions in solution) are derived for glycyl-glycinato(2-)copper(II), (glycylglycinato)(glycylglycinato(2-))copper(II) anion, leucylglycinato(2-)-copper(II), glycylglycinatonickel(II) cation, di(glycylglycinato)nickel(II), tri(glycylglycinato)nickel(II) anion, (glycylglycinato)(glycylglycinato(2-))nickel(II) anion, di(glycylglycinato(2-))nickel(II) dianion, glycinamidocopper(II) dication, di(glycinamido)copper(II) dication and di(glycinamido(1-))-copper(II). Equilibrium formation constants for certain of these complexes were measured from pH titration measurements. The bond strength of N→CuII in solution is greater than N→NiII whether the N atom belongs to amino or to peptide groupings. en_US
dc.language.iso en en_US
dc.publisher Journal of the Chemical Society : Faraday Transaction - I. The Chemical Society, London. 1972, 68 (9) en_US
dc.subject Chemistry en_US
dc.subject Microcalorimetry en_US
dc.subject Enthalpy of Formation en_US
dc.subject Amino Acid and Peptide Complexes en_US
dc.subject Copper(II) and Nickel(II) Complexes en_US
dc.subject Journal of the Chemical Society : Faraday Transaction - I en_US
dc.title Microcalorimetric Studies: Enthalpies of Formation of Amino-acid and Peptide Complexes of Coppcr(ll) and Nickel(II) en_US
dc.type Article en_US


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