Solid-liquid phase equilibrium and phase diagram for ternary 3-nitrophthalic acid-4-nitrophthalic acid-water system at 283.15 K and 333.15 K Hongkun, Z.; Rongrong, L.; Daosen, Z.; Qiuhong, Z.; Haizhe, J.; Yu, Y.; Fluid Phase Equilibria 2008, 265, 25-29