Item

Metrical Unit

Standard

Actual Results

(1) Purity(BaCO3 ): ≥

%

99.2%

99.56

(2) Moisture ≤

%

0.30

0.064

(3) Ignition residue of Hcl insolubles

≤

%

0.15

0.015

(4) Total sulfur (SO4) ≤

%

0.25

0.166

(5) Ferrum ≤

%

0.001

0.0003

(6) Chlorides(CL) ≤

%

0.01

0.005

(7) D50

um

1.50

(8) Average particle size

um

2.14

(9) Tap Density

g/cm3

1.02

(10) Residue on 325 mesh sieve ≤

%

0.20

0.036