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Key Documents

NIST8535A

VSMOW2 Vienna Standard Mean Ocean Water 2 (Hydrogen and Oxygen Isotopes in Water)

NIST®SRM®

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About This Item

UNSPSC Code:
41116107

isotopic purity

 2H
 18O

form

liquid

packaging

pkg of 20 mL

manufacturer/tradename

NIST®

storage temp.

15-25°C

General description

This Reference Material (RM) is an international measurement standard that defines the zero of the VSMOW-SLAP (Vienna Standard Mean Ocean Water-Standard Light Antarctic Precipitation) d-scales for isotope-number ratios of hydrogen (H) and oxygen (O). The equivalent name for this RM, as used by the International Atomic Energy Agency (IAEA) and the U.S. Geological Survey (USGS), is VSMOW2. A unit of RM 8535a consists of one ampoule containing approximately 20 mL of water.
SRM 8535a_cert SRM 8535a _SDS

Other Notes

Reference/Informational value is provided for the following analytes.
Hydrogen (1H/2H), Oxygen (16O/18O)

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

related product

Product No.
Description
Pricing

Storage Class Code

12 - Non Combustible Liquids

WGK

nwg

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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