References
   -  J. Schaep, B. Van Der Bruggen, C. Vandecasteele, D. Wilms,
    Influence of ion size and charge in nanofiltration, Separ. Purif.
    Technol., 14 (1998) 155–162. 
-  J.M. Peeters, Charactrization of Nanofiltration Membranes,
    University of Twente, 1997. 
-  M. Elimelech, Fouling of reverse osmosis membranes by aluminum
    oxide colloids, J. Environ. Eng., 121(12) (1995) 884–892. 
-  A.L. Carvallho, F. Maugeri, P. Pradanos, V. Silva, A. Hernández,
    Separation of potassium clavulanate and potassium
    chloride by nanofiltration: Transport and evaluation of membranes,
    Separ. Purif. Technol., 83 (2011) 23–30. 
-  M. Elimelech, J. Gregory, J. Xiadong, R. Williams, Particle
    Deposition and Aggregation:Measurement, Modelling, and
    Simulation. Butterworth-Heinemann, 1995. 
-  R. Herbig, P. Arki, G. Tomandl, R.E. Bräunig, Comparison of
    electrokinetic properties of ceramic powders and membranes,
    Separ. Purif. Technol., 32 (2003) 363–369. 
-  A. Szymczyk, B. Aoubiza, J. Pagetti, Electrokinetic phenomena
    in homogeneous cylindrical pores, J. Colloid Interface Sci., 296
    (1999) 285–296. 
-  S. Condom, A. Larbot, S.A. Younssi, M. Persin, Use of ultra- and
    nanofiltration ceramic membranes for desalination, Desalination,
    168 (2004) 207–213. 
-  C. Causserand, M. Nyström, P. Aimar, Study of streaming
    potentials of clean and fouled ultrafiltration membranes, J.
    Membr. Sci., 88 (1994) 211–222. 
-  S. Salgin, U. Salgin, N. Soyer, Streaming potential measurements
    of polyethersulfone ultrafiltration membranes to
    determine salt effects on membrane zeta potential, Int. J. Electrochem.
    Sci., 8 (2013) 4073–4084. 
-  A.E. Childress, M. Elimelech, Effect of solution chemistry on
    the surface charge of polymeric reverse osmosis and nanofiltration
    membranes, J. Membr. Sci., 119 (1996) 253–268. 
-  P. Narong, A.E. James, Sodium chloride rejection by a UF
    ceramic membrane in relation to its surface electrical properties,
    Separ. Purif. Technol., 49 (2006) 122–129. 
-  M. Ernst, A. Bismarck, J. Springer, M. Jekel, Zeta-potential and
    rejection rates of a polyethersulfone nanofiltration membrane
    in single salt solutions, J. Membr. Sci., 165 (2000) 251–259. 
-  L.T. Baldeün, Studies of Electrically Enhanced Membrane Processes,
    University of Manchester Institute of Science and Technology,
    2002. 
-  M.D. Afonso, G. Hagmeyer, R. Gimbel, Streaming potential
    measurements to assess the variation of nanofiltration membranes
    surface charge with the concentration of salt solutions,
    Separ. Purif. Technol. 22–23 (2001) 529–541. 
-  S. Salgın, U. Salgın, S. Bahadır, Zeta potentials and isoelectric
    points of biomolecules: the effects of ion types and ionic
    strengths, Int. J. Electrochem. Sci., 7 (2012) 12404–12414. 
-  S. Datta, A.T. Conlisk, D.M. Kanani, A.L. Zydney, W.H. Fissell,
    S. Roy, Characterizing the surface charge of synthetic nanomembranes
    by the streaming potential method, J. Colloid
    Interface Sci., 348 (2010) 85–95. 
-  Y. Zhao, W. Xing, N. Xu, F. Wong, Effects of inorganic electrolytes
    on zeta potentials of ceramic microfiltration membranes,
    Separ. Purif. Technol., 42 (2005) 117–121. 
-  J. Zeng, H. Ye, H. Liu, H. Xie, Characterization of a hollow-fiber
    ultrafiltration membrane and control of cleaning procedures
    by a streaming potential method, Desalination, 195 (2006) 226–234. 
-  M. Mullet, P. Fievet, J.C. Reggiani, J. Pagetti, Surface electrochemical
    properties of mixed oxide ceramic membranes:
    Zeta-potential and surface charge density, J. Membr. Sci., 123
    (1997) 255–265. 
-  T. Moritz, S. Benfer, P. Árki, G. Tomandl, Influence of the surface
    charge on the permeate flux in the dead-end filtration with
    ceramic membranes, Separ. Purif. Technol., 25 (2001) 501–508. 
-  T.Y. Chiu, A.E. James, Electrokinetic characterisation techniques
    on asymmetric microfiltration membranes, Colloids
    Surfaces A Physicochem. Eng. Asp., 301 (2007) 281–288. 
-  J.N. Israelachvili, Intermolecular and Surface Forces. 3rd ed.,
    Elsevier, 2011. 
-  L. Santos, C.V. Santilli, S.H. Pulcinelli, Influence of membrane-solution interface on the selectivity of SnO2 ultrafiltration
    membranes, Separ. Purif. Technol., 22–23 (2001) 17–22. 
-  L. Ricq, A. Pierre, J.-C. Reggiani, J. Pagetti, A. Foissy, Use of
    electrophoretic mobility and streaming potential measurements
    to characterize electrokinetic properties of ultrafiltration
    and microfiltration membranes, Colloids Surfaces A
	  Physicochem. Eng. Asp., 138 (1998) 301–308.