31481
ACS reagent
puriss. p.a.
USP/NF
reag. ISO
reag. Ph. Eur.
≥99.0%
crystalline
≤0.0005% heavy metals (by ICP-OES)
≤0.0005% total nitrogen (N)
≤0.01% in water insoluble matters
≤0.03% free alkali (as NaOH)
≤0.05% free acid (as H2SO4)
≤0.5% loss on ignition, 800 °C
5.2-8.0 (20 °C, 5%)
884 °C (lit.)
2.68 g/mL at 25 °C (lit.)
chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤10 mg/kg
As: ≤1 mg/kg
Ca: ≤20 mg/kg
Fe: ≤5 mg/kg
K: ≤100 mg/kg
Mg: ≤25 mg/kg
complies for appearance of solution
2-8°C
[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
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13 - Non Combustible Solids
WGK 1
Not applicable
Not applicable
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