OXYGEN ISOTOPE ANALYSIS (18O/16O)
For oxygen isotope analysis of your samples, please request pricing here.
Description | Method | Sample | Time | |
Size | ||||
(days) | ||||
Agricultural Services | ||||
18O of cellulose – duplicate | EA-IRMS | 0.1 g | 28 | |
18O of cellulose – 20% in duplicate | EA-IRMS | 0.1 g | 28 | |
18O of water – duplicate | equilibration | 5 mL | 14 | |
18O and 2H of water – duplicate | equilibration | 5 mL | 14 | |
Azeotropic distillation of water from plant or soil | — | Enquire | 21 | |
Ecological Services | ||||
18O of animal tissue – duplicate | EA-IRMS | 0.1 g | 28 | |
18O of animal tissue – 20% in duplicate | EA-IRMS | 0.1 g | 28 | |
18O of nitrate – duplicate | EA-IRMS | Enquire | 28 | |
18O of nitrate – 20% in duplicate | EA-IRMS | Enquire | 28 | |
18O of water – duplicate | equilibration | 5 mL | 14 | |
18O and 2H of water – duplicate | equilibration | 5 mL | 14 | |
Azeotropic distillation of water from plant or soil | — | Enquire | 21 | |
Forensic Services | ||||
18O of organic solid – priority – triplicate | EA-IRMS | Enquire | 14 | |
18O of organic liquid – priority – triplicate | EA-IRMS | Enquire | 14 | |
Geochemical Services | ||||
18O of water or brine – triplicate | equilibration | 5 mL | 14 | |
18O and 2H of water or brine – triplicate | equilibration | 5 mL | 14 | |
18O & 13C of carbonate by acid digestion – duplicate | CF-IRMS | 0.2 g | 21 | |
Sampling of carbonate from mineral | — | Enquire | 21 | |
Medical Services | ||||
18O for total body water measurement – duplicate | equilibration | 1 mL | 14 | |
18O and 2H of doubly labelled water – duplicate | equilibration | 1 mL | 14 | |
Services for Authentication of Foodstuffs | ||||
18O of water in fruit juice – priority – triplicate | equilibration | 10 mL | 7 | |
18O and 2H of water in fruit juice – priority – triplicate | equilibration | 10 mL | 7 | |
Standard Calibration Services | ||||
18O of water – 3 days x 5 reps. | equilibration | 20 mL | 21 | |
18O & 2H of water – 3 days x 5 reps. | equilibration | 20 mL | 21 |
The above services are routinely undertaken and available immediately. The sample sizes given are for guidance purposes only. Analysis by EA-IRMS will normally only consume 1 - 5 mg of sample material. Unused sample material will be returned upon request. The sample turnaround times given are typical for analysis of 40 samples.
Please contact us if the analyses you require are not listed.