A potentiometric solid state copper electrode based on nanostructure polypyrrole conducting polymer film doped with 5-sulfosalicylic acid Reza Ansari*, Zahra Mosayebzadeh, Majid Arvand, Ali Mohammad-khah, 10.1186/2193-8865-3-33 XML Requires Subscription HTML Requires Subscription PDF views: 68 downloads: 124