Water Samples

Sample Requirements for Water Isotopes

Analysis Amount Precision
δ2H 30 ml 2σ = 0.8 ‰ VSMOW
δ18O 30 ml 2σ = 0.2 ‰ VSMOW
δ17O (LGR Only) 30 ml 2σ = 0.2 ‰ VSMOW

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Sample Requirements for Tritium

Analysis Amount Precision
Tritium (direct) 30 ml 2σ = 6.0 TU
Tritium (enriched) 600 ml 2σ = 0.8 TU
Tritium (ULL) 2 L 2σ = 0.1 TU
 
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