medicine grade titanium dioxide A200

Property

A200

TiO2 Content                                        %

≥99.0

Color (compared with standard sample)  

Not lower than

Matter volatile at 105ºC                               %

≤0.5

L.O.I. at 800ºC                                       %

≤0.5

Water soluble salts                                   %

≤0.25

Acid soluble salts                                    %

≤0.5

Residue on sieve 45µm                               %

≤0.05

PH of aqueous suspension

6.8-7.6

Brightness                                           %

≥98.7

Oil absorption                                     g/100g

≤23

Tinting strength (compared with standard sample)         %

≥110

Barium, Ba                                       mg/kg

≤5

Heavy metal                                      mg/kg

≤20

Zinc, Zn                                          mg/kg

≤50

Stibium, Sb                                       mg/kg

≤50

Chrome, Cr                                       mg/kg

≤20

Plumbum, Pb                                     mg/kg

≤10

Arsenium, As                                     mg/kg

≤3

Mercury, Hg                                      mg/kg

≤1

Cadmium, Cd                                     mg/kg 

≤1

Ferrum, Fe                                       mg/kg

≤50