Dear Kamran,

You can reuse it after an appropriate cleaning. The cleaning procedure is as follows:

1- Washing in boiling 3% H2O2 for 1 hour.

2-Rinsing in boiling distilled water for 1 hour.

3-Boiling in 1M H2SO4 for 1 hour.

4-Rinsing several times in boiling water.

5-Drying at 80 degree Celsius for 12 hours.

Reference:

Costamagna, P.. et al. Electrochimica Acta, 47 (2002) 1023-33.

 Hoping this will be helpful,

Rafik

thank u rafik ..