Sodium carbonate

ACS reagent

≥99.5% dry basis

≤0.001% Nitrogen compounds (as N), ≤0.005% Silica (SiO₂), ≤0.01% Ammonium hydroxide precipitate, ≤0.01% Insoluble matter

≤1.0% loss on heating, 285°C

851 °C (lit.)

chloride (Cl^-): ≤0.001%, phosphate (PO₄^3-): ≤0.001%, sulfur compounds (as SO₄^2-): ≤0.003%

Ca: ≤0.03%, Ca and Mg precipitate: ≤0.01%, Fe: ≤5 ppm, K: ≤0.005%, Mg: ≤0.005%, heavy metals (as Pb): ≤5 ppm

O=C(O[Na])O[Na]

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

CDBYLPFSWZWCQE-UHFFFAOYSA-L