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18 O Enriched Normalized Water
(18O，98％ ) Specifications

Formula: H 2 18 O
Molecular Weight: 20.0
Chemical Purity: 99.9%
Package Size: 10 gram, 30 gram, 50 gram,
other packaging options available
Package Specification:
Borosilicate glass vials, Teflon-faced silicone septa
with aluminum tear-off seals; vial sterilized prior to filling

 　  
　 　 　  

Test

Units

Specification

Measuring Tool

Isotopic Composition

atom%

＞ 98 % 18 O,

＜ 2% 17 O, ＜ 2% 16 O

Normalized with respect to Hydrogen isotopes

MS

Electrical conductivity

μ S/cm

＜ 1.5

Conductivity Meter

Pyrogen

EU/ml

＜ 0.25

LAL

pH

6~7.5

PH Meter

Total Organic Carbon

mg/L

＜ 1.0

TOC Analyzer

Fluoride

mg/L

＜ 0.1

IC

Chloride

mg/L

＜ 0.1

IC

Bromide

mg/L

＜ 0.1

IC

Iodide

mg/L

＜ 0.1

IC

Potassium

mg/L

＜ 0.1

ICP

Calcium

mg/L

＜ 0.1

ICP-MS

Sodium

mg/L

＜ 1.0

ICP

Magnesium

mg/L

＜ 0.1

ICP

Iron

mg/L

＜ 0.1

ICP

Copper

mg/L

＜ 0.2

ICP-MS

Phosphate

mg/L

＜ 0.2

IC

Nitrate

mg/L

＜ 0.2

IC


Specifications
　 　
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