Strontium nitrate

cation traces

Zn: ≤2 mg/kg, Ba: ≤100 mg/kg, Ca: ≤50 mg/kg, Cu: ≤2 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤20 mg/kg, Na: ≤50 mg/kg

InChI key

DHEQXMRUPNDRPG-UHFFFAOYSA-N

InChI

1S/2NO3.Sr/c2*2-1(3)4;/q2*-1;+2

SMILES string

[Sr++].[O-][N+]([O-])=O.[O-][N+]([O-])=O

grade

ACS reagent, puriss. p.a.

assay

≥99.0% (complexometric)

form

powder or crystals

impurities

≤0.005% ammonium (NH₄), ≤0.01% in water insoluble matters (10% solution), ≤0.15% Mg and alkali salts, ≤5 ppm heavy metals (by ICP-OES)

loss

≤0.1% loss on drying, 105 °C (4h)

pH

5.0-7.0 (25 °C, 5%)

mp

570 °C (lit.)

anion traces

chloride (Cl^-): ≤10 mg/kg, sulfate (SO₄^2-): ≤50 mg/kg