Figure 5. TG-DTG and DTA curves of ZnO nanopowders (a) Sample P1: not annealed and (b) Sample P2: Annealed at 500°C for 3h

From

Biosynthesis of Zn5(CO3)2(OH)6 from Arachis Hypogaea Shell (Peanut Shell) and Its Conversion to ZnO Nanoparticles

M.T. Dieng, B.D. Ngom, P.D. Tall, M. Maaza

American Journal of Nanomaterials. 2019, 7(1), 1-9 doi:10.12691/ajn-7-1-1