Respirable alpha-quartz
SIAL/NIST1878B - NIST® SRM® 1878b, quantitative X-ray powder diffraction standard
Synonym: Sand, white quartz; Quartz; Silicon dioxide
CAS Number: 14808-60-7
Empirical Formula (Hill Notation): O2Si
Molecular Weight: 60.08
MDL Number: MFCD00011232
Linear Formula: SiO2
Product Type: Chemical
| format | matrix material |
| grade | certified reference material |
| InChI | 1S/O2Si/c1-3-2 |
| InChI key | VYPSYNLAJGMNEJ-UHFFFAOYSA |
| manufacturer/tradename | NIST® |
| packaging | pkg of 5 g |
| Quality Level | 100  |
| SMILES string | O=[Si]=O |
| technique(s) | diffraction/scattering: suitable |
| Application: | 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. |
| Features and Benefits: | • 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 |
| General description: | 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  |
| Legal Information: | NIST is a registered trademark of National Institute of Standards and Technology |
| Legal Information: | SRM is a registered trademark of National Institute of Standards and Technology |
| Other Notes: | Please download a current certificate at nist.gov/SRM for current analytes and certified values. |
| RIDADR | NONH for all modes of transport |
| WGK Germany | WGK 3 |
| Flash Point(F) | Not applicable |
| Flash Point(C) | Not applicable |
| UNSPSC | 41116107 |