Supply Delivery and Installation of Dual-Inlet Isotope-Ratio Mass Spectrometer
University College Dublin ( UCD )
Closed. Submission deadline: 31 July 2025. Estimated value: €100,000.
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Amounts and figures
Description
The instrument will be used for high-precision (order 0.001‰) measurements of dissolved N2 in water samples, via dual-inlet analyses. Dissolved gas samples will be extracted, purified, and transferred offline into the detachable dip tubes, that can be connected to one side of the dual inlet. The other side will be attached to a custom reference gas comprising N2, Ar, and Kr. Intended applications are for quantification of excess (biogenic) N2 in aquatic systems arising from nitrate reduction, using Ar and Kr to correct for physical processes impacting the N2/Ar ratio (e.g., bubble injection at the water table in a groundwater system and temperature dependent solubility effects), while N2 isotopes will be used to identify the source and processing signals associated with denitrification.
Award criteria
| Type | Criterion | Weight |
|---|---|---|
| Quality | Quality | — |
Official publications
| Medium | Reference | Date |
|---|---|---|
| TED | 00429171-2025 | 2 July 2025 |
| OJS | 124/2025 | 2 July 2025 |
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Frequently asked questions
- What is the deadline to bid for this tender?
- The submission deadline is 31 July 2025, 12:00. Check the official source, as dates can be modified.
- What is the estimated value of this tender?
- The estimated value published by the buyer is €100,000.
- Who is the buyer of this tender?
- The contracting authority is University College Dublin ( UCD ) (European Union).
- How can I bid for public tenders in the European Union?
- Bids are submitted through the official public procurement portal in the European Union. El Vínculo helps you find tenders and analyse their documents; submission always happens at the official source.
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