Figure 3. Weight loss as a function of calcinations temperature for original and a conversion nano rock phosphate samples

From

Strategy for Boosting Rock Phosphate Efficiency and Conversion into Nano Zeolite

Hassan AZA, Abdel Wahab M Mahmoud

American Journal of Nanomaterials. 2016, 4(2), 27-38 doi:10.12691/ajn-4-2-1