氯化钾

puriss.

200

99-100.5% (AT)

powder or crystals

meets analytical specification of Ph. Eur., BP, USP, FCC, E508

acidity or alkalinity, complies, organic volatile impurities, complies (GC), residual solvents, complies, ≤0.0001% Al, ≤0.0005% heavy metals (as Pb), ≤0.003% free acid (as HCl), ≤0.005% free alkali (as KOH), ≤0.02% Mg, alkaline earth metals (as Ca)

≤0.5% loss on drying, 105 °C, 3 h

7

770 °C (lit.)

water: soluble ((355 g/l at 25 °C (77 °F))

1.98 g/mL at 25 °C (lit.)

bromide (Br^-): ≤1000 mg/kg, iodide (I^-): ≤50 mg/kg, sulfate (SO₄^2-): ≤100 mg/kg

Al: ≤1 mg/kg, As: ≤0.5 mg/kg, Ba:, in accordance, Ca: ≤50 mg/kg, Cd: ≤1 mg/kg, Cu: ≤10 mg/kg, Fe: ≤10 mg/kg, Hg: ≤1 mg/kg, Mg: ≤50 mg/kg, Na: ≤700 mg/kg, Pb: ≤5 mg/kg, Zn: ≤20 mg/kg

complies for appearance of solution

[Cl-].[K+]

1S/ClH.K/h1H;/q;+1/p-1

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