The highest allowable conductivity for this product is 150 µS/cm. However, the actual values are typically much lower. A review of lots released since 2017 reveals a range of 0.1 - 5.6 µS/cm. Purification methods to lower conductivity include reverse osmosis and distillation.
332089
Water-18O
10 atom % 18O
Synonym(s):
18O Water
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About This Item
Linear Formula:
H218O
CAS Number:
Molecular Weight:
20.02
NACRES:
NA.12
PubChem Substance ID:
UNSPSC Code:
12352303
MDL number:
Isotopic purity:
10 atom % 18O
Mass shift:
M+2
Form:
liquid
Pricing and availability is not currently available.
description
Normalized with respect to hydrogen
Quality Segment
isotopic purity
10 atom % 18O
form
liquid
mol wt
18.22 by atom % calculation (10 atom % 18O)
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
Packaging
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.
Stable Isotopes Customer Service.
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This Item | |||
|---|---|---|---|
| description 10 atom % 18O | description 80 atom % 18O | description 90 atom % 17O | description 15-19.9 atom % 17O |
| isotopic purity 10 atom % 18O | isotopic purity 80 atom % 18O | isotopic purity 90 atom % 17O | isotopic purity 15-19.9 atom % 17O |
| mass shift M+2 | mass shift M+2 | mass shift M+1 | mass shift M+1 |
| Quality Level 200 | Quality Level - | Quality Level 200 | Quality Level - |
| form liquid | form - | form liquid | form - |
| density 1.11 g/mL at 20 °C (lit.) | density 1.11 g/mL at 20 °C (lit.) | density 1.044 g/mL at 25 °C | density 1.044 g/mL at 25 °C |
| bp 100 °C (lit.) | bp 100 °C (lit.) | bp 100 °C (lit.) | bp 100 °C (lit.) |
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Storage Class
10 - Combustible liquids
WGK
nwg
Flash Point (°F)
Not applicable
Flash Point (°C)
Not applicable
PPE (personal protective equipment)
Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)
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The conductivity of the product is 150 uS/cm, which is ~3 orders of magnitude higher than conventional distilled water. Could you recommend some methods to purify (to lower the conductivity) the product in the chemical lab at the university?
1 answer-
Helpful?
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"Purity: 10 atom 18O%" ¿para una muestra de agua significa que contiene un 10% de agua con 18O?
1 answer-
Yes, this means that 10 % of elemental oxygen is 18O. This is atomic percent as opposed to mass percent.
Helpful?
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