Spectrophotometric Determination of the CuSO4 Soret Coefficient of a CuSO4-H2O Binary Solutions System | Zendy

Ijang Rohman | Zendy; Djaka Sasmita | Zendy; Iip Izul Falah | Zendy

Open Access

Spectrophotometric Determination of the CuSO<sub>4</sub> Soret Coefficient of a CuSO<sub>4</sub>-H2O Binary Solutions System

Author(s) -

Ijang Rohman,

Djaka Sasmita,

Iip Izul Falah

Publication year - 2010

Publication title -

indonesian journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.273

H-Index - 14

eISSN - 2460-1578

pISSN - 1411-9420

DOI - 10.22146/ijc.21946

Subject(s) - chemistry , thermophoresis , molality , analytical chemistry (journal) , binary number , transmittance , chromatography , thermodynamics , thermal , aqueous solution , arithmetic , mathematics , optics , nanofluid , physics

A spectrophotometric technique for the determination of the CuSO 4 soret coefficient of a CuSO 4 -water binary solutions system is described. A short column of solutions is placed between horizontal metal plates that are held at different temperatures. The subsequent changes in composition due to thermal diffusion are followed by monitoring changes of transmittance near the end of the solutions column. In water, CuSO 4 diffuses to the warm compartment of column. The soret coefficient of CuSO 4 0.0254 molal in water agrees with the appropriate theory, i.e. 17.60x10 -3 ° C -1 on the average.

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