Formula

CaCO₃

CAS Number

[471-34-1]

FW

100.09

Purity

98.5 – 100.5%

Loss on Drying

< 2.0%

Acid Insoluble substances

< 0.20%

Chlorides

< 330 ppm

Sulfates

< 0.25%

Arsenic (As)

< 4 ppm

Heavy Metals

< 20 ppm

Iron (Fe)

< 200 ppm

Lead

< 250 ppb

Magnesium and Alkali Salts

< 1.50%

Physical Properties:

Bulk Density

0.9 – 1.2 gm/ml

Particle size:

99.5% passing 325 mesh/45 micron

Appearance

Free flowing white powder

Microbial Controls:

Total viable count

1000/gm max.

Yeasts and Molds

100/gm max.

Escherichia Coli

Absent in 10 gm

Salmonella

Absent in 10 gm