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

: Merck

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

: Merck

:1310-73-2

:NaOH

:MFCD00003548

:40 g/mol

:119…135 °C (1013 hPa)

:9…10 °C

:1.53 g/cm³ (20 °C)

:215-185-5

:8,

:M-Clarity™ quality level = MQ300

:1824

:GHS05

:Ambient

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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