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The Key factors in the selection of petrochemical calibra...
When choosing a petrochemical standard gas suitable for your needs, you can consider the following aspects: 1. Confirmation of numbering: Select standard gases with classification certificates and production licences holding the uniform number of the General Administration of Quality Supervision, Inspection and Quarantine. The numb...
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Rare gases: Rising stars for bright electro-optical appli...
I. Introduction to Rare Gases Rare gases are gases found in very small amounts in nature, including helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn), to name but six elements. These rare gases are widely used because of their high stability, low chemical activity and very low boiling points. Among them, ...
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Helium-3 Helium-4 separation technology
The helium-3 isotope is a rare isotope of helium that is found in very small amounts in the atmosphere, typically only 0.000137 per cent of helium. However, the helium-3 isotope has a wide range of applications, including magnetic resonance imaging, nuclear magnetic resonance and superconductivity. Two isotopes of helium exist in nature,...
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CHF3: The versatility of the compound and its wide range ...
Trifluoromethane, a compound that we may not often hear about in our daily lives, actually has a wide range of applications and important roles. Also known as fluoroform and Freon-23, its English name is trifluoromethane, molecular formula is CHF3 and molecular weight is 70.0138. This compound has unique chemical properties and has indispe...
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High purity helium properties
Molecular weight: 4.0026 Melting point (2555kPa): -272.1°C Boiling point (101.325kPa): -268.94℃ Liquid density (4.20K, 100.312kPa): 125.2kg/m3 Gas density (0 ℃, 101.325kPa): 0.1785kg/m3 Relative density (0 ℃, 101.325kPa, air = 1): 0.138 Specific volume (21.1℃, 101.325kPa): 6.0304m3/kg critical temperature: -268.0℃ Critical pr...
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What is Xenon? Precautions for storing and transporting x...
Usually does not seem to be a very good understanding of some of the gas, in fact, he played a big role in life, although in life we are not scientists, nor researchers, are positive contact with these gases, but he developed things are applied to all aspects of our lives, can play an indirect contact process. 1. The formation of xenon...
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Why would anyone use deuterium gas? What are the applicat...
Deuterium gas, a mysterious substance, not only plays an important role in scientific research, but also has a wide range of applications. So what is deuterium gas? First of all, we need to understand what deuterium is. Deuterium is a stable isotope, which means that unlike the hydrogen atoms in ordinary water molecules, it...
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What are the important properties and applications of hel...
Helium is a colourless, odourless and non-toxic inert gas that is now widely used in industrial applications where it plays a significant and valuable role and has key properties. Helium has a number of unique physical and chemical properties that make it a very valuable gas for use in related fields and plays an important role in deci...
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Neon is used for deep-sea diving to help breathe.
As light helium gases (e.g. helium, neon) have little or no anaesthetic effect on the human body, they can be used instead of nitrogen to formulate breathing gas mixtures for deep sea diving operations. Neon-oxygen or helium-oxygen breathing gas mixtures can effectively reduce the physical exertion of divers due to their lower density and ...
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Low temperature engineering applications of neon
It is well known that the liquid temperature range of the industrial gas helium is 2×10-3-5.20 K, the liquid temperature range of hydrogen is 14.2-33.0 K, and the liquid temperature range of the industrial gas neon is 24.5-44.40 K. Because neon is chemically inert and has a high latent heat of evaporation (2.7 times that of liquid hydroge...
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Neon is used as an electrical light source and as a test ...
Industrial gases are used in almost all modern light sources in the helium group of gases. Neon is mainly used to fill various fluorescent lamps, luminous signaling devices and glow lamps. The industrial gas liquid neon is also widely used in cryogenic radiation detectors, as well as for other specialized instruments in space explo...
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Common sense safety precautions in the use of gases (2)
In the process of using industrial gases, should be used to understand the relevant knowledge of industrial gases and safety precautions, to avoid the occurrence of safety accidents, the following special gas editor to tell you about the use of the body should pay attention to the safety of common sense. 7. To prevent reflux and backfire...
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