Adsorptive Removal of Hexavalent Chromium by Diphenylcarbazide-Grafted Macadamia Nutshell Powder

Figure 3

(a)TGA and DTA thermograms for RMN (a), 20 MHP (b), 35 MHP (c), and 50 MHP (d) adsorbents.

(a)

(b)

(c)

(d)