JOURNAL of the Tunisian Chemical Society

serving the Research, the Education and the Industry

Short communication: Sur la réaction de dissolution des phosphates dans les acides: I. Dispositif expérimental et premiers essais

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An isoperibol calorimeter is described ; and the device has been tested with the dissolution of [Tri (methyl hydroxy) amino methane] in HCl 0,1 M/Kg solution. Test reaction gave ΔH = 30,07 KJ mol. The results obtained with this device for the βT.C.P. dissolution in HNO3 55 Wt % lead to ΔH = -154,89 ± 0,33 KJ.mol.

A. Ben Cherifa, B. Omezzine, M. Jemal

Pages 53-55

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