Acétate de sodium trihydrate

200

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

ACS reagent, puriss. p.a.

≥99.5%

crystalline

1112 °F

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≤0.0005% heavy metals (as Pb), ≤0.005% KMnO₄ red. matter (as HCOOH), ≤0.005% in water soluble matter

39.0-40.5% loss on drying, 130 °C

7.5-9.0 (20 °C, 5%)

chloride (Cl^-): ≤0.001%, phosphate (PO₄^3-): ≤5 mg/kg, sulfate (SO₄^2-): ≤20 mg/kg

Al: ≤0.2 mg/kg, As: ≤2 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, Pb: ≤5 mg/kg, Zn: ≤5 mg/kg

in accordance for appearance of solution

Enabling

O.O.O.[Na+].CC([O-])=O

1S/C2H4O2.Na.3H2O/c1-2(3)4;;;;/h1H3,(H,3,4);;3*1H2/q;+1;;;/p-1

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