69413

Natronlauge

suitable for HPLC, LiChropur^™, 49.0-51.0%

• Synonym(e): Natriumhydroxid -Lösung
• Lineare Formel: NaOH
• CAS-Nummer: 1310-73-2
• Molekulargewicht: 40.00
• MDL-Nummer: MFCD00003548
• UNSPSC-Code: 41116105

Eigenschaften

• Dampfdruck: 3 mmHg ( 37 °C)
• Form: solution
• Konzentration: 49.0-51.0%
• Methode(n): HPLC: suitable
• Verunreinigungen: ≤0.1% sodium carbnate (Na₂CO₃)
• Dichte: 1.500-1.540 g/mL at 20 °C
• λ: 10 % in H₂O
• UV-Absorption: λ: 240 nm A_max: ≤0.17; λ: 260 nm A_max: ≤0.15; λ: 280 nm A_max: ≤0.08; λ: 300 nm A_max: ≤0.03; λ: 500 nm A_max: ≤0.02
• SMILES String: [OH-].[Na+]
• InChI: 1S/Na.H2O/h;1H2/q+1;/p-1
• InChIKey: HEMHJVSKTPXQMS-UHFFFAOYSA-M

Beschreibung

Allgemeine Beschreibung

Sodium hydroxide is widely used in numerous industrial processes, including the manufacture of pulp and paper, soaps and detergents, textiles and drinking water. It is also used in the preparation of dyes, bleaches and drugs.

Anwendung

Sodium hydroxide may be used:

• As an extraction solvent in high-performance liquid chromatography (HPLC) in combination with inductively coupled plasma mass spectrometry (ICP-MS) (HPLC ICP-MS) speciation of selenium in enriched onion leaves.
• As an analytical reagent in HPLC and HPLC coupled electrospray ionization tandem mass spectrometry (HPLC/ESI-MS/MS) determination of flavonoids and stilbenes in red wine and related biological products.

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Rechtliche Hinweise

LiChropur is a trademark of Merck KGaA, Darmstadt, Germany

Sicherheitshinweise

• Piktogramme: GHS05
• Signalwort: Danger
• H-Sätze: H290,H314
• P-Sätze: P234 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363
• Gefahreneinstufungen: Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
• Lagerklassenschlüssel: 8B - Non-combustible corrosive hazardous materials
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable