... Dioxide Food Grade HTA201 Specification ItemIndexItemIndexTiO2 content,%(m/m)≥99.0lead(Pb),(mg/kg)≤5Whiteness( ... 100Mercury(Hg),(mg/kg)≤2Volatile matters at105·C,%(m/m)≤0.5Barium(Ba),(mg/kg)≤5PH value of ... (45um mesh),%(m/m)≤0.1Water soluble,%≤0.5Electrical resistance of aqueous extract,Ωm≥100Acid soluble,%≤0.5Water dispersible ... on.In the year 2004, the HTA-100, HTA-200 and HTA-201 tatinium dioxide ...