塩化ナトリウム

200

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

1.33 hPa ( 865 °C)

ACS reagent, puriss. p.a.

≥99.5%

solid

acidity or alkalinity, complies, ≤0.0001% hexacyanoferrate(II), ≤0.001% total nitrogen (N), ≤0.005% free acid (as HCl), ≤0.005% free alkali (as NaOH), ≤0.005% in water insoluble matters, ≤0.01% Mg, alkaline earth metals (as Ca)

≤0.2% loss on drying, 130 °C

5.0-8.0 (25 °C, 5%)

801 °C (lit.)

water: soluble 100 mg/mL, clear, colorless

bromide (Br^-): ≤50 mg/kg, chlorate, nitrate (as NO₃^-): ≤30 mg/kg, iodide (I^-): ≤10 mg/kg, phosphate (PO₄^3-): ≤5 mg/kg, sulfate (SO₄^2-): ≤10 mg/kg

Al: ≤0.2 mg/kg, As: ≤0.5 mg/kg, Ba: ≤10 mg/kg, Ca: ≤20 mg/kg, Fe: ≤1 mg/kg, K: ≤50 mg/kg, Mg: ≤5 mg/kg, heavy metals: ≤3 ppm (by ICP-OES)

complies for appearance of solution

[Na+].[Cl-]

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

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