Zhuorui® brand natural Calcium Carbonate (Ground Limestone) is obtained by mining,crushing, grinding and classifying high purity natural limestone benefited by air classification. It is produced as a fine, white, microcrystalline powder. It is made under strict control measures to insure that it meets the requirements of the U.S. FCC (Food Chemicals Codex) standard and Chinese GB1898-2007 for Food grade Calcium Carbonate.
Molecular formula
CaCO₃
Molecular Weight
100.09
Quality
Conform to GB1886.214-2016 food additive calcium carbonate (including light and heavy calcium carbonate).
|
Items |
Specification |
|
Appearance |
Fine white powder |
|
Calcium carbonate[CaCO₃]，w/％ |
98.0-100.5 |
|
Acid-insoluble Substances，w/％ |
≤0.2 |
|
Dissociate Alkali |
Pass |
|
Magnesium and Alkali Salts，w/％ |
≤1 |
|
Barium（Ba）， /（mg/kg） |
≤300 |
|
Fluoride ( F )，/（mg/kg） |
≤50 |
|
Arsenic（As），/（mg/kg） |
≤3.0 |
|
Lead（Pb），/（mg/kg） |
≤3.0 |
|
Mercury（Hg），/（mg/kg） |
≤1.0 |
|
Cadmium（Cd），/（mg/kg） |
≤2.0 |
|
Loss on Drying，w/％ |
≤2.0 |
Application
neutralizer, acidity regulator, processing aid, leavening agent, flour treating agent, stabilizer, yeast nutritive agent, filling agent, isolating agent, mineral nutritive fortifier, etc. For example, for gum based fillers in gum sugar.
