Zinc chloride

200

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

1 mmHg ( 428 °C)

ACS reagent, puriss. p.a.

≥98%

crystalline powder

≤0.002% total nitrogen (N), ≤0.005% insoluble in HCl, ≤1.2% oxide chloride (as ZnO)

4.6-5.5 (20 °C, 10%)

293 °C (lit.)

sulfate (SO₄^2-): ≤20 mg/kg

Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Cu: ≤10 mg/kg, Fe: ≤5 mg/kg, K: ≤0.02%, Mg: ≤10 mg/kg, Na: ≤0.05%, Pb: ≤10 mg/kg

[Cl-].[Cl-].[Zn++]

1S/2ClH.Zn/h2*1H;/q;;+2/p-2

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