791768

Natriumcarbonat

anhydrous, free-flowing, Redi-Dri^™, ACS reagent, ≥99.5%

• Synonym(e): Calcinierte Soda, Kohlensäure Dinatriumsalz, Waschsoda
• Lineare Formel: Na₂CO₃
• CAS-Nummer: 497-19-8
• Molekulargewicht: 105.99
• Beilstein: 4154566
• EG-Nummer: 207-838-8
• MDL-Nummer: MFCD00003494
• UNSPSC-Code: 12352302
• NACRES: NA.21

Eigenschaften

• Qualität: ACS reagent; anhydrous; free-flowing
• Agentur: suitable for EPA 300
• Produktlinie: Redi-Dri^™
• Assay: ≥99.5%
• Form: powder
• Verunreinigungen: ≤0.005% silica; ≤0.01% insolubles
• Verlust: ≤1.0% loss on heating
• pH-Wert: 12 (25 °C, 106 g/L)
• mp (Schmelzpunkt): 851 °C (lit.)
• Anionenspuren: chloride (Cl^-): ≤0.001%; phosphate (PO₄^3-): ≤0.001%; sulfur compounds (as SO₄^2-): ≤0.003%
• Kationenspuren: Ca: ≤0.03%; Fe: ≤5 ppm; K: ≤0.005%; Mg: ≤0.005%; heavy metals: ≤5 ppm (by ICP-OES)
• SMILES String: O=C(O[Na])O[Na]
• InChI: 1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
• InChIKey: CDBYLPFSWZWCQE-UHFFFAOYSA-L

Beschreibung

Anwendung

• Denitrification mechanism of NaOH in the presence of carbon.: Explores the interaction between sodium carbonate and other chemicals in environmental applications, particularly focusing on denitrification processes important for water treatment (Li et al., 2005).


• Evaluation of capillary electrophoresis for determining the concentration of dissolved silica in geothermal brines.: Discusses the role of sodium carbonate in modifying sample pH for capillary electrophoresis, essential for accurate measurement of silica in complex geothermal fluids (Santoyo et al., 2005).

Biochem./physiol. Wirkung

Pufferbestandteil, kann zur Entfernung peripherer Membranproteine eingesetzt werden.

Rechtliche Hinweise

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Sicherheitshinweise

• Piktogramme: GHS07
• Signalwort: Warning
• H-Sätze: H319
• P-Sätze: P264 - P280 - P305 + P351 + P338 - P337 + P313
• Gefahreneinstufungen: Eye Irrit. 2
• Lagerklassenschlüssel: 11 - Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable