Research Article
Recyclable Xanthan/TiO2 Composite Cryogels towards the Photodegradation of Cr(VI) Ions and Methylene Blue Dye
Figure 6
Photographs of XG and XG/TiO2 10% cryogels prepared at pH 2.0, 4.0, and 7.0 just after immersion (day 0) in Milli-Q water and after 7, 14, and 21 days immersed in Milli-Q water.