What is the significance of high-purity helium?

Helium   High purity helium

Everyone knows that rare earths have significant applications. So, what exactly makes high-purity helium, known as "gas rare earths," so impressive?

Firstly, high-purity helium is chemically inert, known as an inert gas. It is this property that makes it less prone to chemical reactions with other elements, making it highly popular in high-tech fields. Secondly, high-purity helium is colorless, odorless, and widely distributed, playing an irreplaceable role in aerospace fuel production and high-tech product chip development, alleviating many burdens for researchers.

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For example, various spacecraft developed by China, such as the Long March 5 and intercontinental missiles, utilize a large amount of high-purity helium and play a significant role in fuel transportation. Additionally, in the medical field, nuclear magnetic resonance technology also employs high-purity helium. In chip manufacturing, high-purity helium provides a very clean experimental environment and enhances the precision of chips. In daily life, high-purity helium is also used in scanning devices in stores. It is evident that high-purity helium is indispensable and plays a crucial role, spanning from daily life to the medical field and even aviation. Lastly, high-purity helium is referred to as a rare gas not only because of its widespread use but also due to its non-renewable nature.

This gas is extremely scarce on the Earth's surface, accounting for only a few parts per million of the air. At this point, some might argue that high-purity helium is the second most abundant element in the universe. However, despite being the second most abundant element in the universe, it is currently impossible to extract high-purity helium from space with current technological means. The vast majority of high-purity helium used by countries worldwide is extracted from petroleum and natural gas, and the quantity is extremely limited. As we all know, since the beginning of the 21st century, China's technology and military fields have been in a state of rapid development, with each year's progress significantly faster than the previous one. The demand for high-purity helium will only increase, not decrease. However, high-purity helium in China is still under human control. If a country like the United States stops exporting it to China, it means that most of China's scientific research projects will be unable to move forward. If that day comes, it will be very detrimental to the situation in our country.