ACS reagentpuriss. p.a.
≥99.0% (complexometric)
powder or crystals
≤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)
≤0.1% loss on drying, 105 °C (4h)
5.0-7.0 (25 °C, 5%)
570 °C (lit.)
chloride (Cl-): ≤10 mg/kgsulfate (SO42-): ≤50 mg/kg
Ba: ≤100 mg/kgCa: ≤50 mg/kgCu: ≤2 mg/kgFe: ≤5 mg/kgK: ≤50 mg/kgMg: ≤20 mg/kgNa: ≤50 mg/kgZn: ≤2 mg/kg
[Sr++].[O-][N+]([O-])=O.[O-][N+]([O-])=O
1S/2NO3.Sr/c2*2-1(3)4;/q2*-1;+2
DHEQXMRUPNDRPG-UHFFFAOYSA-N
Danger
Eye Dam. 1 - Ox. Sol. 1
5.1A - Strongly oxidizing hazardous materials
WGK 1
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges