Description

Product name
Calcium carbonate
Property:
White powder. Almost insoluble in water, soluble in methanol, slightly soluble in carbonate water.

Usage:
1. Verification and determination of organic combination reaction of halogen.
2. Water analysis.
3. Verification phosphorus.
4. Together with ammonium chloride decomposition of silicate.
5. Preparation of calcium chloride solution to standardized soap.
6. Manufacturing optical neodymium glass raw materials, coating raw materials.
7. As food additive, etc.

Package:
Woven bag lined with plastic, paper plastic compound bag.
Storage:
Sealed save.

Specification:
Executive standard: HG/T********0
Item
HG/T********0
Excellent
First grade
Good grade
Calcium carbonate%
*8.0min
*7.0min
*6.0min
Hydrochloric acid cannot be objects %
0.*0max
0.*0max
0.*0max
Fe %
0.*8max
0.*0max
0.*2max
Mn %
0.**6max
0.**8max
0.**0max
Heavy metal total %
*0max
*0max
*0max
pH value
9.***0.0
9.***0.5
9.***1.0
Whiteness
*0.0min
*0.0min
*0.0min
Appearance
White powder