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72071 Sigma-Aldrich

Sodium hydroxide solution

for the determination of nitrogen, ≥32.0% in H2O (T)

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Properties

Related Categories Acids & Bases, Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography, Bases,
vapor pressure   3 mmHg ( 37 °C)
InChI Key   HEMHJVSKTPXQMS-UHFFFAOYSA-M
quality   for the determination of nitrogen
concentration   ≥32.0% in H2O (T)
impurities   ≤0.0001% total nitrogen (N)
anion traces   carbonate (as Na2CO3): ≤1%
  chloride (Cl-): ≤10 mg/kg
  phosphate (PO43-): ≤5 mg/kg
  silicate (as SiO2): ≤10 mg/kg
  sulfate (SO42-): ≤5 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: ≤500 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg

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Safety Information

Symbol 
GHS05  GHS05
Signal word 
Danger
Hazard statements 
RIDADR 
UN 1824 8 / PGII
WGK Germany 
1
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