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1.58793 Supelco

Sodium hydroxide solution 50%

for analysis EMSURE®

Synonym: Sodium hydroxide solution

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Properties

Related Categories Acids & Bases, Bases, Chemical Synthesis, Inorganic Bases, Synthetic Reagents More...
Quality Level   300
vapor pressure   2 hPa ( 20 °C)
  3 mmHg ( 37 °C)
pH   14 (20 °C, 89 g/L in H2O)
bp   135 °C/1013 hPa
mp   12 °C
density   1.52 g/cm3 at 20 °C
SMILES string   [OH-].[Na+]
InChI   1S/Na.H2O/h;1H2/q+1;/p-1
InChI key   HEMHJVSKTPXQMS-UHFFFAOYSA-M
storage conditions   Store at +15°C to +25°C.

Description

Analysis Note

Assay (acidimetric, as NaOH): 49.0 - 51.0 %
Carbonate (as Na₂CO₃): ≤ 0.2
Color (Hazen): ≤ 10 Hazen
Chloride (Cl): ≤ 0.01 %
Phosphate (PO₄): ≤ 0.0005 %
Silicate (SiO₂): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.005 %
Total nitrogen (N): ≤ 0.0003 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
K (Potassium): ≤ 0.01 %

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EMSURE is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety & Documentation

Safety Information

Protocols & Articles

Articles

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Analytical Method: Nitrogen (total) according to Kjeldahl (Others)

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Analytical Method: Nitrogen (total) according to Kjeldahl (Water and sludge)

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