The method to determine isotopic purity is Mass Spectrometry. This product is an M-Clarity level 200 item. The analytical methods are considered proprietary. Please see the link below to a sample Certificate of Analysis that notes they method:
https://www.sigmaaldrich.com/certificates/COFA/48/487090/487090-BULK_______MBBC8728__.pdf
487090
Water-18O
99 atom % 18O
Synonym(s):
18O Labeled water
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About This Item
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description
Normalized with respect to hydrogen
Quality Level
isotopic purity
99 atom % 18O
form
liquid
bp
100 °C (lit.)
mp
0 °C (lit.)
density
1.11 g/mL at 20 °C (lit.)
mass shift
M+2
storage temp.
room temp
SMILES string
[18OH2]
InChI
1S/H2O/h1H2/i1+2
InChI key
XLYOFNOQVPJJNP-NJFSPNSNSA-N
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Related Categories
1 of 4
This Item | 332089 | 329878 | 902187 |
---|---|---|---|
mass shift M+2 | mass shift M+2 | mass shift M+2 | mass shift M+2 |
Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
form liquid | form liquid | form liquid | form liquid |
density 1.11 g/mL at 20 °C (lit.) | density 1.11 g/mL at 20 °C (lit.) | density 1.11 g/mL at 20 °C (lit.) | density 1.11 g/mL at 20 °C (lit.) |
bp 100 °C (lit.) | bp 100 °C (lit.) | bp 100 °C (lit.) | bp 100 °C (lit.) |
General description
Application
Storage Class
10 - Combustible liquids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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