Precise and accurate CO2 isotope measurements–in a portable analyzer
Measure the four most abundant CO2 gas isotopologues with high precision and accuracy with an analyzer so portable, it fits in a backpack. Engineered for mobile monitoring applications and for integration into established soil gas flux monitoring systems, the LI-7825 CO2 Isotope/NH3 Trace Gas Analyzer delivers dependable data, allowing researchers to ask and answer new questions with confidence. By measuring CO2 isotopologues and calculating isotope ratios, researchers can:
- Identify the sources and sinks of atmospheric carbon
- Understand how carbon is moving through the Earth’s systems
- Partition net ecosystem carbon exchange
- Monitor the impact of human activities on the carbon cycle
- Assess the effectiveness of climate change mitigation strategies
Built on a proven platform
Backed by over thirty-five years of experience in gas analysis technology, the LI-7825 joins the LI-COR Trace Gas Analyzers trusted by researchers and networks around the world. Our platform uses Optical Feedback-Cavity Enhanced Absorption Spectroscopy (OF-CEAS) paired with patented technologies and innovations to provide a stable analyzer that requires little user maintenance and no factory calibrations – all at a more affordable price than previously available for isotopic measurements.
Learn more about what makes a LI-COR Trace Gas Analyzer different.
Source attribution with the LI-7825 CO2 Isotope/NH3 Trace Gas Analyzer
Featuring Dave Lowry at Royal Holloway University of London
Expand into long-term soil gas flux research
In addition to atmospheric measurements, you can integrate the LI-7825 with our automated soil gas flux system to take simplified, continuous soil CO2 isotope and flux measurements. Confidently investigate long-term soil carbon cycle dynamics with real-time Keeling-based soil δ13C estimates and automated on-site calibration.
Explore how you can take your CO2 isotope research from the air to the soil.
How can you use the LI-7825?
- Atmospheric monitoring
- Urban emissions monitoring
- Mobile emissions monitoring
- Large area emissions monitoring
- Sensor networks
- Mud gas logging
测量大气中的CO2同位素
LI-7825 满足甚至超过长期大气本底测量的要求，并提供多种应用的多功能平台，以更好地理解人为和自然源的CO2排放。
测量NH3
LI-7825可测量更高浓度的NH3，适用于检测畜牧舍、饲养场、谷物场、施肥应用、围栏线监测、氨泄漏和其他NH3浓度高于自然含量的应用。
虽然分析仪提供了空气中NH3浓度的准确测量值，但使用人员需要考虑到土壤温室气体通量系统中的NH3在采样设备上的吸附情况。
LI-COR土壤温室气体通量测量系统不支持NH3通量的测量。