Chemical name：Calcium Carbonate
Molecular Formula：CaCO3
CAS：471―34―1
Properties: white microcrystalline powder. Odorless and tasteless. Easy to absorb odor. Stable in the air. almost insoluble in water and ethanol. Low moisture absorption. Soluble in dilute acid and produce CO2, insoluble in sulfuric acid.
application: nutritional supplements, alkaline agents, dough modifiers, hardening agent, caking inhibitor, loosening agent, fermentation agent, yeast starter.
Quality Standard:GB1898―1996
|
item |
standard |
|
content (%) |
98.0―102.0 |
|
dry alkali content(%) |
≤1.0 |
|
free alkali content(%) |
Qualified |
|
alkali metal and magnesium content of qualified%(%) |
≤1.0 |
|
hydrochloric acid insoluble% |
≤0.20 |
|
heavy metal (ppm) |
≤20 |
|
barium content% |
≤0.080 |
|
Arsenic(ppm) |
≤3 |
Packaging: 25KG / box
Transportation: avoid sun and rain, be transported as general chemicals but with no toxic, hazard materials.
Storage: stored in dry clean dark environment, and not be mixed with toxic substances to avoid contamination.
Shelf life: two years |
