Article ID Journal Published Year Pages File Type
202300 Fluid Phase Equilibria 2011 4 Pages PDF
Abstract

Solid–liquid equilibrium data of imidacloprid (IMIP) + 2-nitroaminoimidazoline (NIM), 2-nitriminoimidazolidine,1,1′-(2,5-pyridinediyl)bis- (NMP) + IMIP, 2-nitroaminoimidazoline + NMP, NMP + NIM + IMIP were determined by differential scanning calorimetry (DSC), and given corresponding phase diagrams, respectively. All of them are identified as eutectic type, the corresponding eutectic molar compositions (xeu,1) are 0.4962, 0.4229, 0.5506, and eutectic temperatures (Teu) are 402.41, 407.46 and 383.13 K, respectively, for IMIP(1) + NIM(2), NMP(1) + NIM(2), IMIP(1) + NMP(2). Furthermore, solid–liquid equilibrium data for the ternary system of NMP(1) + NIM (2) + IMIP(3) was also determined by DSC, Teu is 373.77 K, and xeu,1 is 0.3507. So it is significative to provide important engineering data for the separation and purification of imidacloprid.

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