Research Article
Assessment of Untreated Coffee Wastes for the Removal of Chromium (VI) from Aqueous Medium
Figure 1
(a) Determination of pHPZC for the SCGs; (b) FTIR spectra for SCGs (c) XRD diffractogram for SCGs; (d) TGA curve obtained for SCGs.
(a) |
(b) |
(c) |
(d) |