This product does not contain an expiration date or recommended retest date on the certificates provided from NIST. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one year warranty from the date of shipment. For more information you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/US/en/life-science/quality-and-regulatory-management/quality-services
NIST742
Alumina
NIST® SRM® 742, reference point
Synonym(s):
Aluminum oxide, Alumina
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About This Item
Recommended Products
grade
certified reference material
Quality Level
packaging
pkg of 10 g
manufacturer/tradename
NIST®
mp
2040 °C (lit.)
format
matrix material
SMILES string
O=[Al]O[Al]=O
InChI
1S/2Al.3O
InChI key
TWNQGVIAIRXVLR-UHFFFAOYSA-N
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General description
Application
Other Notes
Aluminum oxide(Al2O3)
See certificate for values and more details at nist.gov/SRM.
Legal Information
Storage Class Code
13 - Non Combustible Solids
WGK
nwg
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
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