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The Picarro PI5131-i isotopic and gas concentration analyzer enables simultaneous measurements of site-specific and bulk δ¹⁵N and δ¹⁸O in nitrous oxide (N₂O). It is an ideal solution for discerning and measuring the source of N₂O emissions through grab-sample measurements in the lab. The isotopomers of N₂O can be used to probe sources and sinks in the global nitrogen cycle by identifying nitrification and denitrification processes in soils and water.

• High-precision at atmospheric concentrations
• δ¹⁵N compound-specific and site-specific measurements 
• δ¹⁸O measurement
• Cryogen-free, continuous operation, field and laboratory deployable

The PI5131-i analyzer measures δ¹⁵N, δ¹⁵Nα, and δ¹⁵Nβ with a precision of 0.7 per mil, δ¹⁸O with a precision of 0.7 per mil, and N₂O concentration with a precision of <0.05 ppb (all precision measurements are at a 10-minute average).