Sulfate de sodium

200

puriss.

99.0-100.5% (calc. to the dried substance)

crystalline

meets analytical specification of Ph. Eur., BP, USP

acidity or alkalinity, complies, residual solvents, complies, ≤0.001% heavy metals (as Pb), ≤0.04% free alkali (as NaOH), ≤0.05% free acid (as H₂SO₄)

≤0.5% loss on drying, 130 °C

5.2-8 (20 °C, 50 g/L)

884 °C (lit.)

2.68 g/mL at 25 °C (lit.)

chloride (Cl^-): ≤200 mg/kg

As: ≤2 mg/kg, Ca: ≤50 mg/kg, Fe: ≤50 mg/kg, Mg: ≤50 mg/kg, Zn: ≤300 mg/kg

complies for appearance of solution

[Na+].[Na+].[O-]S([O-])(=O)=O

1S/2Na.H2O4S/c;;1-5(2,3)4/h;;(H2,1,2,3,4)/q2*+1;/p-2

PMZURENOXWZQFD-UHFFFAOYSA-L