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Introduction Methane (CH₄) is a gas we encounter every single day, often without even noticing. It burns in the burners of our kitchen stoves, heats our homes, and serves as a raw material for producing fertilizers and plastics. At the same time, it seeps out of swamps, accumulates in coal mines, and, unfortunately, sometimes causes devastating explosions in residential buildings. Methane is the simplest representative of the alkane class (saturated hydrocarbons) and the prim

Introduction In gas analytical practice, there is a group of substances that require a special approach. These are the so-called "reactive" or "sticky" gases, which are capable of adsorbing onto the internal surfaces of sampling lines, fittings, and measurement cells. Unlike "light" and inert gases (N₂, O₂, CO), they do not pass through the sampling path freely — some molecules are "lost" along the way, settle on the walls, and then are gradually released, distorting subseque

Introduction Nitrogen (N₂) is a gas without which modern industry is unimaginable. It does not burn, reacts with almost nothing under normal conditions, and makes up nearly 80% of the air we breathe. It is precisely this chemical inertness, multiplied by its availability, that has made it an indispensable tool in dozens of industries: from petrochemicals and metallurgy to pharmaceuticals and analytical instrumentation. In this article, I have compiled key information about ni

Introduction Hydrogen (H₂) holds a special place among all the elements of the Periodic Table. It is the lightest substance in the Universe, a powerful energy carrier, and a key element of all organic life. However, the uniqueness of hydrogen also has a downside: the risks associated with it are equally unique. Invisible, odorless, extremely volatile, and explosive over an exceptionally wide range of concentrations — this gas demands special treatment at all stages, from prod

Introduction Environmental legislation in Russia and the countries of Central Asia is not simply tightening — it is structurally changing the approach to emissions control. If ten years ago an enterprise could limit itself to periodic measurements and paper reports, today Category I and II facilities are obliged to transmit data to state information systems in real time. This requires the creation of comprehensive automated environmental monitoring systems — complex engineeri

Introduction Over the years of working with industrial enterprises in Russia and Central Asia, I have arrived at one ironclad rule: an environmental monitoring system lives exactly as long as it is maintained. You can select the most expensive and precise equipment, carry out exemplary commissioning, and launch data transmission to the state register. But if the system is subsequently forgotten, left without regular technical maintenance of environmental monitoring systems, e