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B. Tang, T. Xu and W. Yang, “A Novel Positively Charged Asymmetry Membranes from Poly (2,6-Dimethyl-1,4-Phenylene Oxide) by Benzyl Bromination and in Situ Amination: Part II: Effect of Charged Group Species on Membrane Performance and Morphologies,” Journal of Membrane Science, Vol. 268, No. 2, 2006, pp. 123-131. doi:10.1016/j.memsci.2005.05.029

has been cited by the following article:

• TITLE: Crystal Structure and Physicochemical Properties of 2-Diisopropylammonium Ethylammonium Sulfate Dihydrate

  AUTHORS: Wafa Amamou, Taha Guerfel, Taher Mhiri

  KEYWORDS: Chemical Preparation; Crystal Structure; Thermal Behavior; Organic Sulfate; Infrared and Raman Spectroscopy; NMR Spectroscopy

  JOURNAL NAME: Crystal Structure Theory and Applications, Vol.1 No.3, December 25, 2012

  ABSTRACT: A new organic sulfate (C8H22N2)SO42H2O denoted DPAES is obtained by interaction of H2SO4 with the organic molecule 2-[Diisopropylamino] ethylamine. We describe its crystallographic and structural features. DPAES is triclinic, Pī, with the lattice parameters a = 6.8841(2)?, b = 8.4966(2)?, c = 12.0804(3)?, = 81.824(1)o, = 88.007(1)o, = 78.649(1)o, V = 685.72(3)?3, and Z = 2. Its atomic arrangement is described as inorganic chains of SO42- units and water molecules, these chains are interconnected by organic groups so as to build layers parallel to the (001) planes. The IR data of DPAES are reported and discussed according to the theoretical group analysis and by comparison with IR results of similar compounds. The coupled TG-DTA thermal study shows the departure of two water molecule, con- firming the hydrated character of this compound.