氟化钠

1.4 mmHg ( 0 °C)

200

puriss.

98.5-100.5% (calc. to the dried substance)

powder

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

acidity or alkalinity, complies, organic volatile impurities, complies (GC), residual solvents, complies, ≤0.002% heavy metals (as Pb), ≤0.1% free alkali (as NaOH), ≤0.2% free acid (as HF), ≤0.2% sodium hexafluorosilicate (Na₂SiF₆)

≤0.5% loss on drying, 150 °C

993 °C (lit.)

chloride (Cl^-): ≤100 mg/kg, sulfate (SO₄^2-): ≤200 mg/kg

Fe: ≤50 mg/kg

complies for appearance of solution

[F-].[Na+]

1S/FH.Na/h1H;/q;+1/p-1

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