1. CERTIFICATE OF ANALYSIS DETAILS OF SAMPLE Sample Name: :-Potash feldspar Date:- 17-07-2021 Physical Form: :-Powder Physical Size: :-200 Mesh Sample Qty. : :-1 kgs Sample packing: :-Polythene bag A. CHEMICAL ANALYSIS (based on XRF) Sr.No. Chemical Properties Compounds Result in % 1. Silica SiO2 % 68.14 2. Titanium Dioxide TiO2 % 0.016 3. Alumina Al2O3 % 18.1 4. Ferric Oxide Fe2O3 % 0.095 5. Calcium Oxide CaO % 0.15 6. Magnesium Oxide MgO % 0.11 7. Potash K2O % 10.63 8. Soda Na2O % 2.77 9. Total Alkalies K2O% +Na2O% 13.40 10 Total 100.00 B. PHYSICAL ANALYSIS PHYSICAL PROPERTIES Name of Test Result in% 11. Physical Appearance colour white 12. Physical Appearance of Fired Sample colour white 13. Firing Colour at 12200C colour white 14. Fired Values at 12200C L*- Value - 83.16 a*- Value - 0.14 b*- Value - 4.45 15. Firing Whiteness (WN) - 60.40 C. SHIEVE ANALYSIS 16. Retention on 200 Mesh ( B.S.S.) 0.7-0.8%