High quality Calcium carbonate Cas 471-34-1 with fast delivery
Specification
Items |
Specification |
Result |
Assay |
98.0~100.5% |
99.55% |
Appearance |
White or off-white powder |
Conforms |
HCl insoluble | ≤0.20% | 0.06% |
Free alkali | Conforms | Conforms |
Alkalis and Mg | ≤1.0% | 0.86% |
Loss on drying | ≤2.0% | 0.13% |
Ba Cd Fl As Pb Hg | ≤300mg/kg ≤2.0mg/kg ≤350mg/kg ≤3.0mg/kg ≤3.0mg/kg ≤1.0mg/kg | <300mg/kg <2.0mg/kg <350mg/kg <3.0mg/kg <3.0mg/kg <1.0 mg/kg |
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