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No pre-preparation of samples for mass spectrometry - no complex procedure for pre-preparation of samples for mass spectrometry is required, isotope ratios are obtained directly upon sample injection, the operating threshold and operating costs are significantly reduced.
1.Synchronous output of two-dimensional information “concentration + isotopes”- based on high-precision concentration measurement by attenuation spectroscopy in the optical cavity, modules for spectral detection of carbon isotopes (¹³C) and hydrogen isotopes (D, ¹⁸O) have been added, synchronous analysis of the content of δ¹³C in CO₂, δ¹³C in CH₄, δD and δ¹⁸O in H₂O has been provided, information on concentration and isotopes are obtained simultaneously in one measurement.
2.Ultra-high accuracy of isotope content measurements— δ¹³C-CH₄ ≤ 1‰ (at 2 ppm CH₄), δ¹³C-CO₂ ≤ 0.25‰ (at 400 ppm CO₂), δ¹⁸O-H₂O ≤ 0.1‰ (at 12500 ppm H₂O), δD-H₂O ≤ 0.3‰ (at 12500 ppm H₂O), high-level scientific research grade accuracy is achieved.
3. Lack of preliminary sample preparation for mass spectrometry— a complex procedure for preliminary sample preparation for mass spectrometry is not required, isotope ratios are obtained directly upon sample injection, the operating threshold and operating costs are significantly reduced.
4.Fast continuous monitoring- Single measurement ≤ 4 seconds, supports continuous on-site field observation, meeting the needs of high-frequency sampling.
5.Integrated design— the system simultaneously displays data on the concentration of CO₂, CH₄ and H₂O (the concentration accuracy corresponds to the basic model), high degree of product integration, flexible deployment.
Identifying sources of atmospheric greenhouse gases– distinguishing CH₄ of fossil and biogenic origin through δ¹³C, accurately identifying the contribution of emissions.
Study of evapotranspiration processes in groundwater hydrology— use of δD and δ¹⁸O in H₂O to trace moisture sources and conversion processes.
Isotope tracing of carbon and oxygen in ecosystems— analysis of carbon cycle pathways and processes of photosynthesis and respiration in ecosystems.
Identification of Natural Gas Leak Sources— determination of the source and origin of a gas leak by comparing isotope fingerprints.
| Parameter | Meaning |
| Accuracy δ¹³C-CH₄ | ≤ 1‰ (at 2 ppm CH₄) |
| Accuracy δ¹³C-CO₂ | ≤ 0.25‰ (at 400 ppm CO₂) |
| Accuracy δ¹⁸O-H₂O | ≤ 0.1‰ (at 12500 ppm H₂O) |
| Accuracy δD-H₂O | ≤ 0.3‰ (at 12500 ppm H₂O) |
| Sample preparation for mass spectrometry | not required |
| Single measurement | ≤ 4 s |
| Operating mode | continuous field surveillance on site |