Sodium hydroxide 50% in aqueous solution, EMSURE® for analysis, Supelco®

Supplier: Merck
Danger

Synonyms: Caustic soda

M-Clarity™ quality level = MQ300

1.58793.1000EA 82.3 EUR
1.58793.1000 1.58793.9025 1.58793.9200 1.58793.5000 1.58793.9900 1.58793.9999
Sodium hydroxide 50% in aqueous solution, EMSURE® for analysis, Supelco®
Sodium hydroxide
Formula: NaOH
MW: 40 g/mol
Boiling Pt: 119…135 °C (1013 hPa)
Melting Pt: 9…10 °C
Density: 1,53 g/cm³ (20 °C)
Storage Temperature: Ambient
MDL Number: MFCD00003548
CAS Number: 1310-73-2
EINECS: 215-185-5
UN: 1824
ADR: 8,

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Specification Test Results

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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