硫酸铵

200

USP/NF, reag. ISO, reag. Ph. Eur.

ACS reagent, puriss. p.a.

≥99%

crystals

≤0.005% in water insoluble matters, ≤5 ppm heavy metals (by ICP-OES)

≤0.005% (as SO₄)

≤0.1% loss on drying, 110 °C

5-6 (25 °C, 5%)

>280 °C (dec.) (lit.)

1.77 g/mL at 25 °C (lit.)

chloride (Cl^-): ≤3 mg/kg, nitrate (NO₃^-): ≤10 mg/kg, phosphate (PO₄^3-): ≤5 mg/kg

As: ≤0.2 mg/kg, Ca: ≤10 mg/kg, Cd: ≤1 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤2 mg/kg, Fe: ≤2 mg/kg, K: ≤50 mg/kg, Mg: ≤2 mg/kg, Mn: ≤5 mg/kg, Na: ≤20 mg/kg, Ni: ≤5 mg/kg, Pb: ≤2 mg/kg, Zn: ≤1 mg/kg

N.N.OS(O)(=O)=O

1S/2H3N.H2O4S/c;;1-5(2,3)4/h2*1H3;(H2,1,2,3,4)

BFNBIHQBYMNNAN-UHFFFAOYSA-N