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The 112 Litre Solution

For much of the past 25 years little had changed in the availability and selection of calibration gas cylinders/mixtures for gas detection applications. Manufacturers were happy to enjoy the profits of selling 58 litre cylinders for standard 4 gas (H2S/CO/CH4/O2) mixtures and single corrosive gas...

Understanding units of measure for specialty gas mixtures

  The compositions of gas mixtures are expressed in a number of different ways. These can change depending upon the mixture’s method of manufacture, the type of components within the mixture, the amount of each component, the process/analytical requirements, or simply the customer’s...

Risks and Hazards of Hydrogen Sulfide

Hydrogen sulfide (H2S), otherwise known as hydro-sulfuric acid, sulphuretted hydrogen, stink damp, dihydrogen monosulfide, sulfur hydride, hepatic gas, sewer gas, is a naturally occurring gas. A by-product of decomposition, it is found in natural gas, crude petroleum, volcanic gas and hot springs....