Calcium carbonate

grade

ACS reagent
chelometric standard

Quality Level

200

Assay

99.95-100.05% dry basis

form

powder

impurities

≤0.01% NH₄OH pptd.
≤0.01% insol. dil. HCl

pH

8

solubility

dilute HCl: 6.7%

density

2.93 g/mL at 25 °C (lit.)

anion traces

chloride (Cl^–): ≤0.001%
fluoride (F^–): ≤0.0015%
sulfate (SO₄^2-): ≤0.005%

cation traces

Ba: ≤0.01%
Fe: ≤0.002%
K: ≤0.01%
Mg: ≤0.01%
NH₄⁺: ≤0.003%
Na: ≤0.01%
Sr: ≤0.1%
heavy metals: ≤0.001% (by ICP)

SMILES string

[Ca++].[O-]C([O-])=O

InChI

1S/CH2O3.Ca/c2-1(3)4;/h(H2 2 3 4);/q;+2/p-2

InChI key

VTYYLEPIZMXCLO-UHFFFAOYSA-L