NIST2191A

Natriumbicarbonat

NIST^® SRM^® 2191a, pD Standard

• Synonym(e): Natriumhydrogencarbonat, Natron
• Lineare Formel: NaHCO₃
• CAS-Nummer: 144-55-8
• Molekulargewicht: 84.01
• Beilstein: 4153970
• EG-Nummer: 205-633-8
• MDL-Nummer: MFCD00003528
• UNSPSC-Code: 41116107
• PubChem Substanz-ID: 329818736
• NACRES: NA.24

Eigenschaften

• Qualität: certified reference material
• Qualitätsniveau: 100
• Form: crystals
• Verpackung: pkg of 30 g
• Hersteller/Markenname: NIST^®
• pH-Wert: 8.3(0.84% solution)
• pKa (25 °C): (1) 6.37, (2) 10.25 (carbonic acid)
• Dichte: 2.16 g/mL at 25 °C (lit.)
• Anwendung(en): general analytical
• SMILES String: [Na+].OC([O-])=O
• InChI: 1S/CH2O3.Na/c2-1(3)4;/h(H2,2,3,4);/q;+1/p-1
• InChIKey: UIIMBOGNXHQVGW-UHFFFAOYSA-M

Beschreibung

Allgemeine Beschreibung

Each unit of SRM 2191A contains 30g of sodium bicarbonate.

SRM 2191A_cert

SRM 2191A_SDS

Anwendung

Sodium bicarbonate standard reference material (SRM) is intended for preparing buffer solution, used to calibrate electrodes for p^D measuring system.

Leistungsmerkmale und Vorteile

• SRM 2191A certified values are correspond to log (1/a^D).
• The NIST certificate is provided with storage and stability instructions.

Sonstige Hinweise

Please download a current certificate at nist.gov/SRM for current analytes and certified values.

Rechtliche Hinweise

NIST is a registered trademark of National Institute of Standards and Technology

SRM is a registered trademark of National Institute of Standards and Technology

Sicherheitshinweise

• Lagerklassenschlüssel: 13 - Non Combustible Solids
• WGK: WGK 1
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable