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O-17 Enriched Water

Rotem's latest development utilizes the production expertise developed for O-18 water and extends it to O-17, for NMR and other uses. The O-17 enriched water is produced at the same cGMP production facility, with the same uncompromising quality standards. Packaging is flexible and delivery from stock.

The following sample certificates indicate typical analyses for the 10%, 20% and 40% enrichment levels:

O-17 Enriched Water, 10%

Catalogue No. 17-010

Certificate of Analysis

Lot# 7101A-P

Parameter	Method	Results
Isotopic composition:
¹⁷O	MS	11.0 At%
¹⁶O	MS	54.4 At%
¹⁸O	MS	34.6 At%
Deuterium		<0.1 At%

Chemical composition:
Ca⁺²	ICP-AES	< 0.1 mg/lit
Mg⁺²	ICP-AES	< 0.05 mg/lit
Na²⁺	AA	< 0.05 mg/lit
K⁺	AA	< 0.05 mg/lit
Fe⁺²	ICP-AES	< 0.05 mg/lit
NH₄ ⁺	UV-Spectroscopy	< 1 mg/lit
Zn⁺²	ICP-AES	0.06 mg/lit
Cu⁺²	ICP-AES	0.4 mg/lit
F^-	IC	0.1 mg/lit
Cl ^-	IC	0.3 mg/lit
Br^-	IC	< 0.2 mg/lit
NO₃ ^-	IC	0.20 mg/lit
PO₄^-3	IC	< 0.5 mg/lit
SO₄^-2	IC	0.2 mg/lit
TOC	IR	<3 mg/lit

pH	pH meter	6.2
Conductivity	Conductivity meter	3.0 µS/cm

O-17 Enriched Water, 20%

Catalogue No. 17-020

Certificate of Analysis

Lot# 7171A-P

Parameter	Method	Results
Isotopic composition:
¹⁷O	MS	20.90 At%
¹⁶O	MS	28.14 At%
¹⁸O	MS	51.00 At%
Deuterium		<0.1At%

Chemical composition:
Ca⁺²	ICP-AES	0.07 mg/lit
Mg⁺²	ICP-AES	< 0.05 mg/lit
Na²⁺	AA	0.09 mg/lit
K⁺	AA	< 0.05 mg/lit
Fe⁺²	ICP-AES	< 0.05 mg/lit
NH₄ ⁺	UV-Spectroscopy	<1 mg/lit
Zn⁺²	ICP-AES	0.06 mg/lit
Cu⁺²	ICP-AES	0.27 mg/lit
F^-	IC	< 0.05 mg/lit
Cl ^-	IC	0.12 mg/lit
Br^-	IC	< 0.2 mg/lit
NO₃ ^-	IC	< 0.2 mg/lit
PO₄^-3	IC	< 0.5 mg/lit
SO₄^-2	IC	< 0.1 mg/lit
TOC	IR	1.60 mg/lit

pH	pH meter	6.5
Conductivity	Conductivity meter	3.1 µS/cm

O-17 Enriched Water, 40%

Catalogue No. 17-040

Certificate of Analysis

Lot# 8174B-P

Parameter	Method	Results
Isotopic composition:
¹⁷O	MS	41.9 At%
¹⁶O	MS	15.6 At%
¹⁸O	MS	42.5 At%
Deuterium		0.02%

Chemical composition:
Ca⁺²	ICP-AES	< 0.05mg/lit
Mg⁺²	ICP-AES	< 0.05mg/lit
Na²⁺	AA	<0.05 mg/lit
K⁺	AA	< 0.05 mg/lit
Fe⁺²	ICP-AES	< 0.05 mg/lit
NH₄ ⁺	UV-Spectroscopy	<0.2mg/lit
Zn⁺²	ICP-AES	< 0.05 mg/lit
Cu⁺²	ICP-AES	<0.05 mg/lit
F^-	IC	< 0.05 mg/lit
Cl ^-	IC	0.12 mg/lit
Br^-	IC	< 0.2 mg/lit
NO₃ ^-	IC	< 0.2 mg/lit
PO₄^-3	IC	<0.5 mg/lit
SO₄^-2	IC	<0.1 mg/lit
TOC	IR	1 mg/lit

pH	pH meter	7.5
Conductivity	Conductivity meter	3.6 µS/cm