项目Item：

数值value

形态from

造粒

Specific surface area(N2)  Multipoint  m2/g

185

Loss on drying 2h at 105℃    %

6.0

PH value 5% in water

7.1

SA Ro-Tap (>300μm )   %

≥75

SA Ro-Tap (<75μm )   %

≤10

Electrical Conductivity   4% in water     μs /cm

≤1300

SiO2     %

≥93