When Clean Air Matters

Welcome to explore our fields of activity, services, and measurement systems for air pollution and industrial gas analysis!

When Clean Air Matters

Welcome to explore our fields of activity, services, and measurement systems for air pollution and industrial gas analysis!

Application of the Month – April:
Emissions Monitoring of Hydrogen Sulfide

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News

2026-04-06

New Podcast Episode: #11: Spring is in the Air

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2026-04-06

New Podcast Episode: #11: Gas Concentration Monitoring in Sulfuric Acid Production

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2026-03-30

Chlor-alkali – Tough to Measure

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Latest from the Blog

Blog Let There Be Light OPSIS 960X640pxl

2026-04-27

Let There be Light

Light might seem obvious. There are light sources, our surroundings reflect and absorb light, and we see our surroundings with the help of light. Up to this point, there’s not much to think about. But it’s also possible to measure things using light, such as gas concentrations. How the latter works might not be quite so obvious, but let’s try to explain it anyway.

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Video in Focus

H2S Monitoring

It can be difficult to monitor H2S. The gas lacks distinct UV absorption lines and IR absorption monitoring is affected by interference from H2O.

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