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Modified Laser Absorption Spectrometer Permits Syringe-Sample CH4 Measurements In Peatlands
 
By ABB Measurement & Analytics

Peatlands represent a large source of atmospheric methane, a greenhouse gas with the potential for a much greater impact on climate change than carbon dioxide.

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FTIR Fast Facts 4 (FTIR Open Path Technology Benefits)

This article details the distinction between a closed cell extracted system, which sniffs a little gas into a known volume and known path length and does the measurement there, versus just sending the infrared beam down a fence line and then analyzing anything in that beam from one end to the other.