硝酸锶

等级

ACS reagent
puriss. p.a.

方案

≥99.0% (complexometric)

表单

powder or crystals

杂质

≤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)

缺失

≤0.1% loss on drying, 105 °C (4h)

pH值（酸碱度）

5.0-7.0 (25 °C, 5%)

mp

570 °C (lit.)

痕量阴离子

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

痕量阳离子

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
Zn: ≤2 mg/kg

SMILES字符串

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

InChI

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

InChI key

DHEQXMRUPNDRPG-UHFFFAOYSA-N