NIST1878B

Lungengängiges Alpha-Quarz

NIST^® SRM^® 1878b, quantitative X-ray powder diffraction standard

• Synonym(e): Quartz, Sand, weißer Quarz, Siliciumdioxid
• Lineare Formel: SiO₂
• CAS-Nummer: 14808-60-7
• Molekulargewicht: 60.08
• MDL-Nummer: MFCD00011232
• UNSPSC-Code: 41116107
• PubChem Substanz-ID: 329818719
• NACRES: NA.24

Eigenschaften

• Qualität: certified reference material
• Qualitätsniveau: 100
• Verpackung: pkg of 5 g
• Hersteller/Markenname: NIST^®
• Methode(n): diffraction/scattering: suitable
• Format: matrix material
• SMILES String: O=[Si]=O
• InChI: 1S/O2Si/c1-3-2
• InChIKey: VYPSYNLAJGMNEJ-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

The SRM material was prepared from single crystal nodules of Brazilian quartz that, upon comminution were reduced to a respirable powder with a median particle size of 3.3 µm.

Each unit of SRM 1878b contains approximately 5 g of powder bottled in an argon atmosphere.

SRM 1878B _SDS

SRM 1878B _CoA

Anwendung

Respirable alpha-quartz standard reference material (SRM) is intended for the preparation of calibration standards used in quantitative analyses of α-quartz via X-ray powder diffraction.

Leistungsmerkmale und Vorteile

• Available with a certificate documenting NIST-certified value of crystalline phase purity and lattice parameter. The information values include particle size distribution, as determined by laser scattering. 
• Certified values are metrologically traceable to the International System of Units (SI) and SI-derived units of mass fraction.
• The NIST certificate is provided with storage and use 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: nwg
• Flammpunkt (°F): Not applicable
• Flammpunkt (°C): Not applicable