NIST57B

Silicon metal

NIST^® SRM^® 57b

• Synonym(s): Silicon
• Linear Formula: Si
• CAS Number: 7440-21-3
• Molecular Weight: 28.09
• NACRES: NA.24
• PubChem Substance ID: 329818762
• UNSPSC Code: 41116107
• EC Number: 231-130-8
• MDL number: MFCD00085311

Properties

• grade: certified reference material
• Quality Segment: 100
• packaging: pkg of 40 g
• manufacturer/tradename: NIST^®
• greener alternative product characteristics: Design for Energy Efficiency; Learn more about the Principles of Green Chemistry.
• sustainability: Greener Alternative Product
• bp: 2355 °C (lit.)
• mp: 1410 °C (lit.)
• density: 2.33 g/mL at 25 °C (lit.)
• application(s): industrial qc
• format: matrix material
• greener alternative category: Enabling
• SMILES string: [Si]
• InChI: 1S/Si
• InChI key: XUIMIQQOPSSXEZ-UHFFFAOYSA-N

Description

General description

Each unit of SRM 57b contains a bottle consisting of approximately 40 grams of fine powder.



SRM 57B_cert

SRM 57B_SDS

We are committed to bringing you Greener Alternative Products, which belongs to one of the four categories of greener alternatives. This enabling product has been enhanced for energy efficiency. Click here for more information.

Application

Silicon metal standard reference material (SRM) is intended for use in the evaluation of instrumental and chemical methods of analysis.

Features and Benefits

• Accompanied with certificate documenting NIST-certified values, expanded uncertainties, and expansion factor(k) for elements in SRM 57b.
• Reference and information values are reported as mass fraction value for each element in silicon metal.
• The certified values are metrologically traceable to the SI unit of mass, expressed as milligrams per kilogram.
• The NIST certificate is provided with expiration certificate, storage, handling,use, and maintenance instructions.

Other Notes

Certified for the analytes listed below.
Aluminum (Al), Boron (B), Phosphorus (P), Titanium (Ti), Manganese (Mn), Iron (Fe), Nickel (Ni), Zirconium (Zr)

Reference/Informational value is provided for the following analytes. Calcium (Ca), Cobalt (Co), Chromium (Cr), Copper (Cu), Vanadium (V), Hydrogen (H), Carbon (C), Oxygen (O), Sulfur (S)

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

Legal Information

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

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

Safety Information

• pictograms: GHS02
• signalword: Warning
• hcodes: H228
• pcodes: P210 - P240 - P241 - P280 - P370 + P378
• Hazard Classifications: Flam. Sol. 2
• Storage Class: 4.1B - Flammable solid hazardous materials
• wgk: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable