1. CERTIFICATE OF ANALYSIS DETAILS OF SAMPLE Sample Name: :-Potash feldspar Date:- 17-07-2021 Physical Form: :-CHIPS Physical Size: :-0-5MM Sample Qty. : :-1 kgs Sample packing: :-Polythene bag A. CHEMICAL ANALYSIS (based on XRF) Sr.No. Chemical Properties Compounds Result in % 1. Silica SiO2 % 74.27 2. Titanium Dioxide TiO2 % 0.048 3. Alumina Al2O3 % 15.08 4. Ferric Oxide Fe2O3 % 0.274 5. Calcium Oxide CaO % 0.72 6. Magnesium Oxide MgO % 0.18 7. Potash K2O % 6.00 8. Soda Na2O % 3.43 9. Total Alkalies K2O% +Na2O% 9.43 10 Total 100.00 B. PHYSICAL ANALYSIS PHYSICAL PROPERTIES Name of Test Result in% 11. Physical Appearance colour brownish white 12. Physical Appearance of Fired Sample colour brownish white 13. Firing Colour at 12200C colour brownish white 14. Fired Values at 12200C L*- Value - 77.68 a*- Value - 0.41 b*- Value - 7.17 15. Firing Whiteness (WN) - 51.00