Research Article
The Electropolishing of C-Steel in Orthophosphoric Acid Containing Methanolic Plant Extract
Figure 5
Characteristic polarization curve for C-steel electropolishing in 8 M H3PO4 containing several concentrations of (a) marjoram, (b) coriander seeds, (c) chamomile, and (d) guava leaves at 25 C.
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(b) |
(c) |
(d) |