... power ( compared with standard ), %: 108 4. Matter volatile at 105 degree C at point of acceptance ), %: 0.38 5. Matter volatile ... at 105 degree C in 23 +/- 2 degree C and ... 9. Residue on 45μm sieve, % (m/m): 0.05 10. Resistivity of aqueous extract,Ωm: 22 11. Whiteness: 96 ... FCL recommend. titanium dioxide supplier BA01-01 98%min at the most favorable!!