No

Inspection of the project name and unit

Standard

1

Calcium exchange

capacity/mgCaCO3/gDry basis

270-290

2

Whiteness(W=Y) %

≥92

3

pH(25℃,  1%)

10-11

4

Loss on ignition(800±10℃,1h) %

≤28

5

Bulk Density(mg/ml)

≤495

6

Angle of repose (0)

49

8

Granularity

Average

particles/

um

≤3

≤4um/%

≥90

≥10um/%

≤1