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1.05591 Supelco

Sodium hydroxide solution min. 27% (1.30)

for analysis (for the determination of nitrogen) EMSURE®

Synonym: Sodium hydroxide solution



Related Categories Acids & Bases, Bases, Chemical Synthesis, Inorganic Bases, Synthetic Reagents More...
Quality Level   300
vapor pressure   3 mmHg ( 37 °C)
pH   14 (20 °C in H2O)
density   1.30 g/cm3 at 20 °C
SMILES string   [OH-].[Na+]
InChI   1S/Na.H2O/h;1H2/q+1;/p-1
storage conditions   Store at +5°C to +30°C.


Analysis Note

Assay (acidimetric): ≥ 27.0 %
Carbonate (as Na₂CO₃): ≤ 1.0 %
Chloride (Cl): ≤ 0.004 %
Phosphate (PO₄): ≤ 0.0005 %
Silicate (SiO₂): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.003 %
Total nitrogen (N): ≤ 0.0001 %
Heavy metals (as Pb): ≤ 0.0005 %
Al (Aluminium): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %

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

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Protocols & Articles


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