Calcium carbonate / Precipitated chalk / Calcium carbonate precipitated
CAS No.： 471-34-1
Item No.： R1033
Store at： RT
Item No.： R1033
Store at： RT
English name：Calcium carbonate；Precipitated chalk；Calcium carbonate precipitated
Other names: light calcium carbonate; Precipitated calcium carbonate; Calcium carbonate; Precipitated calcium carbonate; Marble; Dolomite
CAS No.: 471-34-1
CaCO3=100.09
Grade：AR
Content: ≥ 99.0%
Alkalinity (calculated by OH): ≤ 0.25mmol/100g
Clarity test: acceptable
Hydrochloric acid insoluble matter: ≤ 0.2%
Heavy metal (calculated by Pb): ≤ 0.003%
Physicochemical properties(the following information is for reference only): white powder or colorless crystal. No smell. Tasteless. There are two kinds of crystals, one is orthorhombic aragonite and the other is hexagonal rhombohedral calcite. And decomposes into calcium oxide and carbon dioxide at about 825 ℃. Soluble in dilute acid, almost insoluble in water. Aragonite: relative density 2.83, melting point 825 ℃ (decomposition). Calcite: relative density (d25.2) 2.711, melting point 1339 ℃ (10.39mpa). Irritating
Usage: This product is only for scientific research, not for other purposes. (the following uses are for reference only) verification and determination of halogen in organic combination reaction. Water analysis. Certified phosphorus
Saving: RT
