Argon is an inert gas and has no direct harm to the human body. However, after industrial use, the exhaust gas produced is very harmful to the human body, causing silicosis and eye damage. Although it is an inert gas, it is also a suffocating gas. In
Acetylene, molecular formula C2H2, commonly known as wind coal or calcium carbide gas, is the smallest member of alkyne compounds and is mainly used for industrial purposes, especially for welding metals. Acetylene is a colorless and extremely flamma
Nitrogen can be used to make ammonia, nitric acid, nitrate, cyanide, etc.; in the manufacture of explosives; filling high-temperature thermometers, incandescent bulbs; forming inert materials to preserve materials, used in drying boxes or glove bags.
Encyclopedia of standard gas preparation methodsStandard gas preparation methods include: weighing method, permeation method, partial pressure method, diffusion method, volume method, saturation method, flow method, dilution method, volume method, etc. The main purpose of the standard gas is to ca2021-06-232306 / 2021
How to mix the standard gas before useWill the gas ratio of the standard gas or mixed gas change when the standard gas or mixed gas is stored for a long time without being used? In fact, if stored for a long time without using, there may be layering between the gases, resulting in a decr2021-06-232306 / 2021
Matters needing attention during the preparation of standard gasWhat are the matters needing attention during the preparation of standard gas? In the process of preparation, we need to pay attention to the explosive limit of the combustible gas, the saturated vapor pressure of the gas and other properties, the re2021-06-232306 / 2021
Application areas of carbon monoxideWhat are the application areas of carbon monoxide? The application areas of carbon monoxide include applications in the chemical industry and metal smelting. In addition, carbon monoxide can also be used as fuel and so on. In addition, carbon monoxid2021-06-232306 / 2021