21067

Calcium carbonate

reference material for titrimetry, certified by BAM, ≥99.5%

• Wzór liniowy: CaCO₃
• CAS Number: 471-34-1
• Masa cząsteczkowa: 100.09
• Beilstein: 8008338
• Numer WE: 207-439-9
• Numer MDL: MFCD00010906
• Kod UNSPSC: 41116107
• Identyfikator substancji w PubChem: 329751907
• NACRES: NA.24

Właściwości

• klasa czystości: reference material
• Poziom jakości: 100
• Próba: ≥99.5%
• jakość: certified by BAM
• metody: titration: suitable
• rozpuszczalność: H₂O: insoluble
• gęstość: 2.93 g/mL at 25 °C (lit.)
• Format: neat
• ciąg SMILES: [Ca++].[O-]C([O-])=O
• InChI: 1S/CH2O3.Ca/c2-1(3)4;/h(H2,2,3,4);/q;+2/p-2
• Klucz InChI: VTYYLEPIZMXCLO-UHFFFAOYSA-L

Opis

Opis ogólny

Calcium carbonate volumetric standard is manufactured under stringent conditions and measured with the highest possible precision. The standard is qualified by volumetric complexometric titration with photometric endpoint detection. Its certified value and uncertainty measurement are in accordance with ISO Guide 35.

This certified reference material (CRM) is produced in accordance with ISO 17034 and characterized in accordance with ISO/IEC 17025. This CRM is traceable to SI unit kg and measured against primary material from a National Metrology Institute (NMI), e.g. NIST.

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Zastosowanie

It finds its use as a reference material for the standardization of volumetric solutions in complexometric titrations.

Cechy i korzyści

• Available as a solid in a secure glass bottle to ensure its stability for the entire shelf life until opened.
• High-quality offering accurate titer determinations
• Accompanied by a certificate of analysis (CoA)

Komentarz do analizy

Exact concentration, expiry date, traceability and detailed information on certification can be found on the certificate and certification report, included in each package. Content and expiry date on label.

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Informacja o środkach bezpieczeństwa

• Kod klasy składowania: 13 - Non Combustible Solids
• Klasa zagrożenia wodnego (WGK): nwg
• Temperatura zapłonu (°F): Not applicable
• Temperatura zapłonu (°C): Not applicable
• Środki ochrony indywidualnej: dust mask type N95 (US), Eyeshields, Gloves