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72064 Sigma-Aldrich

Sodium hydroxide solution

50-52% in water, eluent for IC

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Properties

Related Categories Acids & Bases, Analytical Reagents, Analytical/Chromatography, Bases, Chemical Synthesis,
vapor pressure   3 mmHg ( 37 °C)
InChI Key   HEMHJVSKTPXQMS-UHFFFAOYSA-M
concentration   50-52% in water
impurities   ≤0.0005% total nitrogen (N)
  ≤0.01% ammonium hydroxide precipitate
anion traces   carbonate (as Na2CO3): ≤1000 mg/kg
  chloride (Cl-): ≤20 mg/kg
  phosphate (PO43-): ≤5 mg/kg
  silicate (as SiO2): ≤10 mg/kg
  sulfate (SO42-): ≤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

Description

Other Notes

Same product — same quality — now Sigma-Aldrich brand

Application

Sodium hydroxide solution may be used to characterize the morphology of the produced colloids using UV-Visible spectroscopy and transmission electron microscopy. It may be used to measure specific heats using calorimeter. It may also be used to study the first stages of silver oxidation using voltammetry and ellipsometry.

General description

Sodium hydroxide solution is a strong alkaline solution which may be suitable to make dyes, drugs, cellophane, rayon and bleaches. It may also be suitable for petrochemical industry to remove impurities. This solution needs to be handled carefully, close proximity or ingestion could cause blindness, permanent scarring and sometimes can be fatal.

Price and Availability

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Safety & Documentation

Safety Information

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

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