Transcription of Electroplating - NC State University
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Electroplating - NC State University
NCSU Dept. of Chemistry Lecture Demonstrations Electrochemistry Electroplating Description: Electroplating is demonstrated by plating copper onto a stainless steel object. Materials: 1 M CuSO4 V battery Copper strip Connecting wires Stainless steel object Beaker 6 M H2SO4 nickel strip (optional) Silver strip (optional) Procedure: For large lecture halls, project demonstration using a document camera. 1. Prepare the plating solution by mixing 15 mL of 6 M H2SO4 with 250 mL of CuSO4. Clean the surface of the electrodes with steel wool prior to the demonstration. 2. Place the electrodes in the plating solution making sure that they do not touch. Using wires with alligator clips, connect the copper electrode to the positive terminal of the battery and connect the stainless steel electrode to the negative terminal of the battery.
6 M H 2SO 4 Nickel strip (optional) Silver strip (optional) Procedure: For large lecture halls, project demonstration using a document camera. 1. Prepare the plating solution by mixing 15 mL of 6 M H 2SO 4 with 250 mL of CuSO 4. Clean the surface of the electrodes with steel wool prior to the ... Concentrated solutions of acids and bases (>2 M ...
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