水酸化ナトリウム 溶液

InChI

1S/Na.H2O/h;1H2/q+1;/p-1

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

vapor pressure

3 mmHg ( 37 °C)

form

liquid

concentration

49-51% in water

technique(s)

ion chromatography: suitable

impurities

≤0.0005% total nitrogen (N), ≤0.01% ammonium hydroxide precipitate

Quality Level

100

pH

14.0

solubility

water: soluble (completely miscible)

anion traces

carbonate (as Na₂CO₃): ≤1000 mg/kg, chloride (Cl^-): ≤100 mg/kg, phosphate (PO₄^3-): ≤5 mg/kg, silicate (as SiO₂): ≤10 mg/kg, sulfate (SO₄^2-): ≤10 mg/kg

cation traces

Al: ≤5 mg/kg, Ca: ≤10 mg/kg, Cd: ≤5 mg/kg, Co: ≤5 mg/kg, Cr: ≤5 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, K: ≤100 mg/kg, Mg: ≤5 mg/kg, Mn: ≤5 mg/kg, Ni: ≤5 mg/kg, Pb: ≤10 mg/kg, Zn: ≤5 mg/kg