Item no.
NIST-8562
Unit
set (2)
Shipment details
No Dangerous Good /not restricted
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Description
This Reference Material (RM) is intended to provide carbon dioxide samples of known isotopic composition and uncertainty with 13C/12C and 18O/16O ratios expressed in parts per thousand relative difference from Vienna Peedee Belemnite (VPDB) or Vienna Standard Mean Ocean Water (VSMOW). NIST-RM-8562 is not certified, but their use allows comparability of stable carbon and oxygen isotope ratio data obtained by investigators in different laboratories, and provides a means to standardize laboratory gases with measurement traceability to an internationally accepted reference scale. An RM unit consists of two borosilicate glass tubes, each 9 mm in diameter and about 30 cm in length. Each tube contains approximately 400 ?mol of gas and is labeled with a unique number.
Miscellaneous
Certificate of Analysis (specimen)
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Product data sheet
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NIST provides over 1300 Standard Reference Materials® as well as articles and practice guides describing the development, analysis and use of SRMs.
NIST Standard Reference Materials are used by analytical laboratories in industry, academia and government in order to facilitate commerce and trade and to advance research and development. The SRMs are produced by the engineering laboratory, the material measurement laboratory, and the physical measurement laboratory at NIST. They are available for chemical composition, physical properties, and engineering materials.