NIST1900

Silicon nitride powder - specific surface area standard

NIST^® SRM^® 1900

• 동의어(들): Silicon nitride
• Linear Formula: Si₃N₄
• CAS Number: 12033-89-5
• Molecular Weight: 140.28
• MDL number: MFCD00011230
• UNSPSC 코드: 41116107
• PubChem Substance ID: 329818723
• NACRES: NA.24

속성

• Grade: certified reference material
• Quality Level: 100
• 형태: powder
• 포장: pkg of 4 g
• 제조업체/상표: NIST^®
• density: 3.44 g/mL at 25 °C (lit.)
• 응용 분야: glass & ceramic
• SMILES string: N12[Si]34N5[Si]16N3[Si]25N46
• InChI: 1S/N4Si3/c1-5-2-6(1)3(5)7(1,2)4(5)6
• InChI key: HQVNEWCFYHHQES-UHFFFAOYSA-N

설명

일반 설명

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

SRM 1900_cert

SRM 1900_SDS

애플리케이션

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.

특징 및 장점

• 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

기타 정보

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.

법적 정보

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

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

안전성 정보

• Storage Class Code: 11 - Combustible Solids
• WGK: nwg
• Flash Point (°F): Not applicable
• Flash Point (°C): Not applicable