Erratum: Polypyrrole Chitosan Cobalt Ferrite Nanoparticles Composite Layer for Measuring the Low Concentration of Fluorene Using Surface Plasmon Resonance Chin. Phys. Lett. 34(2017)057501

A. R. Sadrolhosseini, M. Naseri, M. K. Halimah. Erratum: Polypyrrole Chitosan Cobalt Ferrite Nanoparticles Composite Layer for Measuring the Low Concentration of Fluorene Using Surface Plasmon Resonance [Chin. Phys. Lett. 34(2017)057501][J]. Chin. Phys. Lett., 2017, 34(8): 089901. DOI: 10.1088/0256-307X/34/8/089901