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Triple Isotope Analyzer

Photonics Spectra
Apr 2012
Los Gatos Research Inc. (LGR)Request Info
 
MOUNTAIN VIEW, Calif., Feb. 21, 2012 — Los Gatos Research has introduced a triple isotope analyzer for direct simultaneous measurement of δ17O, δ18O and δ2H ratios in liquid water and water vapor samples.

The IWA-46EP is capable of automated, continuous or batch operation, and it delivers isotopic sensitivity and precision comparable to those of reference isotope ratio mass spectrometer (IRMS) laboratories. It incorporates proprietary thermal control, enabling accurate and precise measurements over ambient temperatures ranging from 0 to 45 °C. With its rugged, compact packaging, it is suitable for remote and airborne operation, as well as for routine laboratory use.

Traditional water isotope analysis performed using IRMS technology requires extensive sample preparation and a skilled, experienced operator. Oxygen and hydrogen ratios are separately processed, with 17O being particularly cumbersome. In contrast, the IWA-46EP measures all three isotopes simultaneously, directly from water-based samples, including seawater and bodily fluids. The measurement process is automated, requiring minimal operator skill, and the instrument requires neither expensive consumables nor frequent calibration.

Applications include atmospheric chemistry, hydrology, water cycle studies and medical diagnostics, where water isotopes can be used to determine metabolic efficiency and energy expenditure.

The device is based on proprietary and patented off-axis integrated cavity output spectroscopy technology, a fourth-generation cavity-enhanced laser absorption technique that is more rugged and more precise than earlier cavity-enhanced techniques, such as conventional cavity ringdown spectroscopy, because it does not require ultraprecise alignment or subnanometer stability of its optics, or a high degree of thermal control. This ensures higher absolute accuracy, longer maintenance intervals, higher reliability and reduced cost of ownership.


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Americasatmospheric chemistryBasic ScienceBiophotonicsBreakthroughProductsCaliforniad18O and d2H ratioshydrologyisotope analyzer airborne operationisotope analyzer automated operationisotope analyzer batch operationisotope analyzer continuous operationisotope analyzer laboratoryisotope analyzer medical diagnosticsisotope analyzer remote operationIWA-46EPLos Gatos Researchmeasure three isotopes simultaneouslyNew Productsoff-axis integrated cavity output spectroscopyProductssimultaneous measurement of d17OspectroscopyTest & Measurementtriple isotope analyzerwater cycle studies

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