Phase Chemistry Investigation on Cr(NO 3 ) 3 ‐Met‐H 2 O System | Zendy

Chen SanPing | Zendy; Gao ShengLi | Zendy; Hu RongZu | Zendy; Shi QiZhen | Zendy

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Phase Chemistry Investigation on Cr(NO 3 ) 3 ‐Met‐H 2 O System

Author(s) -

Chen SanPing,

Gao ShengLi,

Hu RongZu,

Shi QiZhen

Publication year - 2003

Publication title -

journal of the chinese chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.329

H-Index - 45

eISSN - 2192-6549

pISSN - 0009-4536

DOI - 10.1002/jccs.200300113

Subject(s) - chemistry , phase diagram , solubility , analytical chemistry (journal) , phase (matter) , standard enthalpy of formation , ternary numeral system , ternary operation , calorimeter (particle physics) , organic chemistry , engineering , detector , computer science , electrical engineering , programming language

The solubility property of the ternary of Cr(NO 3 ) 3 ‐Met‐H 2 O has been investigated in the whole concentration by the phase equilibrium method, and the phase diagram has been constructed. From the phase diagram, the congruently soluble complexes Cr(Met)(NO 3 ) 3 ·2H 2 O (D) and Cr(Met) 2 (NO 3 ) 3 ·2H 2 O (E) have been prepared and characterized by chemical analysis, elemental analysis, IR and TG‐DTG. Their combustion energies have been determined by a RBC‐type I precision rotating‐bomb calorimeter, and their standard enthalpies of formation, Δf, Hθ m , have been calculated as (‐1842.01 ± 2.13) kJ·mol −1 and (‐1136.16 ± 4.45) kJ·mol −1 , respectively.

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