Origin	China
Model Number	26
Brand Name	YMS
CAS No.	471-34-1
Purity	98%
Kind	Salts
Molecular Formula	CaCO3
Molecular Weight	100.09
PH	8-9

Calcium Carbonate

Kind:      Salts

CAS NO: 471-34-1

Molecular Formular:CaCO3

Molecular Weight:  100.09

Characters: White crystal or powder

Usage:  The main use of calcium carbonate is in the construction 

            industry, either as a building material in its own right (e.g.marble) or 

            limestone aggregate for roadbuilding or as an ingredient of cement or 

            as the starting material for the preparation of builder's lime by burning

            in a kiln.

            Calcium carbonate is widely used medicinally as an inexpensive dietary

            calcium supplement or antacid

Specification

               

Index Name		Excellent product	First-class product	Qualified
Calcium carbonate	%	98.4MIN	97.9MIN	97MIN
MgO content	%	0.26MAX	0.4MAX	0.5MAX
Insoluble Material	%	0.9MAX	1MAX	1.3MAX
Heavy metal	%	0.006MAX	0.008MAX	1MAX
Fineness of 325 mesh	%	0.1MAX	0.1MAX	0.1MAX
Section 125-degree head	%	0.003MAX	0.003MAX	0.003MAX
Arsenic	%	0.0003MAX	0.0003MAX	0.0003MAX