HELIUM CAS# 7440-59-7
HELIUM , Promotion Season Now in Store and Free Sample for Testing with Factory Price
Chemical Name: HELIUM
CAS No.: 7440-59-7
Molecular Formula: He
Molecular weight: 4
HELIUM: The Complete Guide
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What is HELIUM?
With the progress of science and technology and the development of society, chemical products have invariably permeated our daily lives, in medicine, food, cosmetics, electronics, industry, and other areas, becoming an essential part of our lives. One such product is HELIUM which has developed particularly rapidly in recent years. Do you know about HELIUM?
The official answer: Helium, is a rare gas, the chemical formula is He, is a colorless and odorless inert gas, chemical properties are not active, in general it is difficult to react with other substances.
What’s the application of HELIUM?
Helium, is a rare gas, the chemical formula is He, is a colorless and odorless inert gas, chemical properties are not active, in general it is difficult to react with other substances.1. Helium can be used as a pressure transmitter and supercharger for rocket liquid fuel, and is used in missiles, spacecraft and supersonic plane.
2, helium is used as a protective gas in smelting and welding, which is very important in shipbuilding and the manufacture of plane, spacecraft, rockets and weapons.
3, helium has excellent permeability,  for the cooling of nuclear reactors, some pipelines and electronic and electrical devices of rockets and nuclear reactors leak detection.
4. Helium is a gas with ideal gas properties, and is the ideal gas for vapor pressure thermometers at very low temperatures.
5, helium mass density, weight density are low, and non-flammable, can be used to fill bulbs, neon tubes, but also the ideal balloon and airship gas.
6, liquid helium can get a low temperature close to the absolute temperature (-273 °C), used in the manufacture of superconducting equipment.
7, helium inert gas, the solubility in the blood is lower than nitrogen, so its anestheticity is lower than nitrogen, so helium is often mixed with oxygen as a diver’s breathing gas.
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