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10A - Isotopic Analysis

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Isotopic Analyses

Element

Pb

Nd

Sr

Sm-Nd

Rb-Sr

 

 

Carbon and Oxygen Isotopes

Isotope

Material

Precision

δ13C

Graphite or Organics

0.2 ‰

δ13C and δ18O

Carbonates

0.2 ‰

δ13C and δ18O

Siderite, Magnesite, Dolomite

0.2 ‰

δ18O

Water

0.2 ‰

δ18O

Silicates

0.3 ‰

δ18O

Sulphates

0.3 ‰

δ18O

Organics

0.2 ‰

 

Sulphur Isotopes

Isotope

Material

Precision

δ34S

Sulphate

0.2 ‰

δ34S

Sulphate in water

 

δ34S

Sulphide

0.2 ‰

δ34S

Sulphide-bearing material which contains carbonate

0.2 ‰

δ34S

Silicate rocks which contain sulphur

 

 

Hydrogen Isotopes

Isotope

Method

Precision

3 H

Direct

8.0 TU

3 H

Enriched

0.8 TU

3 H

Accelerator Mass Spectrometry (AMS)

 

2 H

Water

3.0 ‰

2 H

Minerals

0.2 ‰

 

Other Isotopes

Parameter

Precision

Pb by HR-ICPMS (Pb >15 ppm)

0.4-0.5 %

Hg

Nitrogen Isotopes – Organic Material

                       C-14 - Accelerator Mass Spectrometry (AMS)

Activation Laboratories Ltd. | 41 Bittern Street, Ancaster, Ontario, L9G 4V5, Canada | TF: +1.888.228.5227
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