NIST1900

Silicon nitride powder - specific surface area standard

NIST^® SRM^® 1900

• Sinonimo/i: Silicon nitride
• Formula condensata: Si₃N₄
• Numero CAS: 12033-89-5
• Peso molecolare: 140.28
• Numero MDL: MFCD00011230
• Codice UNSPSC: 41116107
• ID PubChem: 329818723
• NACRES: NA.24

Proprietà

• Grado: certified reference material
• Livello qualitativo: 100
• Forma fisica: powder
• Confezionamento: pkg of 4 g
• Produttore/marchio commerciale: NIST^®
• Densità: 3.44 g/mL at 25 °C (lit.)
• applicazioni: glass & ceramic
• Stringa SMILE: N12[Si]34N5[Si]16N3[Si]25N46
• InChI: 1S/N4Si3/c1-5-2-6(1)3(5)7(1,2)4(5)6; HQVNEWCFYHHQES-UHFFFAOYSA-N

Descrizione

Descrizione generale

Each unit of SRM 1900 consists of a bottle containing ~ 4g of silicon nitride powder.

SRM 1900_cert

SRM 1900_SDS

Applicazioni

Silicon nitride powder - specific surface area standard reference material (SRM) is intended to calibrate instruments used to measure the specific surface area of materials, falling within a range of 0.1_m²/g to 1000_m²/g.

Caratteristiche e vantaggi

• SRM 1900 is available with certified specific surface area.  
• Certified value is measured using a static volumetric type Brunauer–Emmett–Teller (BET) (nitrogen gas) instrument using a pellet cell. 
• The NIST certificate is provided with storage, handling, and use instructions

Altre note

Reference/Informational value is provided for the following analytes.
Nitrogen (N), Oxygen (O₂), Water (H₂O), Total hydrocarbon

See certificate for values and more details at nist.gov/SRM.

Note legali

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

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

Informazioni sulla sicurezza

• Codice della classe di stoccaggio: 11 - Combustible Solids
• Classe di pericolosità dell'acqua (WGK): nwg
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable