Sigma-Aldrich SODIUM CARBONATE ANHYDROUS EXTRA PURE

200

puriss.

99.5-100.5% (calc. to the dried substance)

powder or crystals

meets analytical specification of pH. Eur., BP, NF, FCC, E500

alkali hydroxides and bicarbonates, complies
residual solvents
<5 ppm heavy metals (as Pb)

≤0.5% loss on drying, 300 °C
<0.5% loss on drying, 105°C, 4hrs

12 (25 °C, 106 g/L)

851 °C (lit.)

chloride (Cl^-): ≤100 mg/kg
sulfate (SO₄^2-): ≤50 mg/kg

Biochem/physiol Actions