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Nuevo medidor isotópico de dióxido de carbono


Oferta Tecnológica
Un centro de investigación británico ha desarrollado un medidor isotópico de dióxido de carbono con aplicación en exploración petrolera, pruebas de aliento, monitorización de la actividad volcánica, determinación del origen de alimentos, etc. Las principales ventajas en comparación con los espectrómetros de masas actuales incluyen la obtención de resultados en tiempo real y el hecho de que no es necesario preparar las muestras. Se buscan fabricantes con el fin de establecer acuerdos de joint venture.


Novel Carbon Dioxide (CO2) Isotope Ratio Meter
A North West UK Research organization has developed a field deployable isotopic Carbon Dioxide (CO2) ratiometer, with applications in oil exploration, medical breath tests, volcanic activity monitoring, food origin determination and others. The main advantages over current mass spectrometers are results obtainable in real time and sample preparation is not required. The developer offers the opportunity to appropriate manufacturers to include this in new products in joint ventures.
Tunable laser absorption spectroscopy is an attractive method for real-time in situ monitoring of stable isotopes. The availability of advanced laser sources emitting in the mid-infrared fingerprint has allowed the development of isotopic ratio instrumentation capable of sub per million precision and accuracy, by targeting intense absorption lines.
Stable isotopomer concentration and flux measurements have become a vital underpinning technique in many areas of science. So far, mass spectrometry (MS) has been the gold standard to perform isotope analysis. However, for application requiring real time, high frequency data, and/or field measurements, MS suffers from drawbacks: for example, tedious sample taking and preparation is required and it is impossible to carry out real time analysis. Also, the use of MS is confined to a dedicated laboratory and field applications are excluded. There is a growing need to overcome these drawbacks and to seek alternative instrumentation for high precision (0.1%) isotopic ratio determination both in the academic and industrial sectors.
Tunable laser based isotope analysis is currently an emerging area of research and development and researchers in a UK research organisation have developed a field deployable isotopic Carbon Dioxide (CO2) ratiometer.
Absorption spectroscopy techniques, using advanced infrared laser sources, offer the unique opportunity to overcome MS drawbacks and to enable real time in-situ monitoring of stable isotopomers. The best suited spectral region is the so called "fingerprint" region in the mid infrared range 2-25 µm (micro-metres), where most molecules exhibit intense vibrational transitions. The development of compact, room temperature, single mode, robust and reliable mid-IR laser sources, such as interband cascade lasers (ICL) and quantum cascade lasers (QCL), offers the opportunity to achieve in situ, real time, accurate measurements of isotopomers concentration and fluxes.
The project is now at a stage where the opportunity can now be offered for appropriate commercial partner or partners to include this development into marketable products within a joint venture arrangement.
Advantages and Innovations:
· A high power source that allows increased sensitivity for the detection of low gas concentration levels due to improved signal-to-noise ratio of the spectrometer. This also permits the use of thermo electric cooled detectors rather than cryogenic detectors, greatly facilitating field deployment.
· A narrow spectral laser line width, critical to measurement accuracy and discrimination of closely spaced adjacent absorption lines.

· It has a wide spectral tuning range, needed to span well-separated isotopic lines and to allow multi-species monitoring.
· It has good beam quality, which is important, in particular, for long range beam transport and coupling to a multipass cell or resonant cavity used for sensitivity enhancement.
· Fast response of both the laser source and the detection system allows real-time monitoring of isotopic gas species.
· No tedious preparation of samples, compared with mass spectrometry
Stage of Development:
Available for demonstration
Secret Know-how
CommeR Statunts Regarding IPR Status:
UK Patents granted

Partner sought

Type and Role of Partner Sought:
The ideal partner would be a manufacturer of products and measuring equipment supplying the medical, oil/gas, environmental monitoring and forensic science sectors whose task would be to include this development into euqipment and bring to market.


Type and Size of Client:
R&D Institution
Already Engaged in Trans-National Cooperation:
Languages Spoken:


Technology Keywords:
09001003 Ensayos de material químico
09001009 Tecnología de sensores relacionada con la realización de medidas