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329878 Sigma-Aldrich

Water-18O

(for PET), 97 atom % 18O

Synonym: 18O Water

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Properties

Related Categories Alphabetical Listings, Doubly Labeled Water, Enzymatic Labeling with Water-18O, Metabolic and Nutrition Research, Metabolomics / Proteomics,
Quality Level   200
description   Normalized with respect to hydrogen
isotopic purity   97 atom % 18O
bp   100 °C (lit.)
mp   0 °C (lit.)
density   1.11 g/mL at 20 °C (lit.)
compatibility   (for PET)
mass shift   M+2
SMILES string   [18OH2]
InChI   1S/H2O/h1H2/i1+2
InChI key   XLYOFNOQVPJJNP-NJFSPNSNSA-N

Description

Application

Water-18O can be used:
• In paleoclimatology, hydrology, and plant ecology to determine soil stable oxygen isotope analysis of plant cellulose using δ18O.
• To determine the diffusion of moisture into crystals using secondary ion mass spectrometry (SIMS).

Packaging

1 g in serum bottle

250 mg in serum bottle

Packaged in septum-sealed serum bottles.

This product may be available from bulk stock and can be packaged on demand. For information on pricing, availability and packaging, please contact Stable Isotopes Customer Service.

Safety & Documentation

Safety Information

RIDADR 
NONH for all modes of transport
WGK Germany 
WGK 3

Documents

Certificate of Analysis (COA)

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Certificate of Origin (COO)

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Protocols & Articles

Articles

Tools for Measuring Energy Expenditure

Water, a simple nutrient that is so ubiquitous in nature that it is easily forgotten and pushed to the background of our thoughts. Never-theless it is a required nutrient of such importance that huma...
D.A. Schoeller, Ph.D.
ISOTEC® Stable Isotopes: Tools for Measuring Energy Expenditure, 2011, 2–4
Keywords: Calorimetry, Dehydration reaction, Eliminations, Mass spectrometry, Metabolism, Obesity, Respiration, Respiratory, Sample preparations, Spectroscopy

Peer-Reviewed Papers
15

References

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