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High purity helium gas is a colorless, odorless, and tasteless gas that is used in a variety of applications. It is the second lightest element in the universe and is the second most abundant element in the Earth's atmosphere. Helium is a non-flammable and non-toxic gas that is inert, meaning it does not react with other elements.

High purity helium gas is used in a variety of applications, including:

• Cryogenics: Helium is used as a refrigerant in cryogenic applications, such as the liquefaction of gases and the cooling of superconductors.
• Magnetic resonance imaging (MRI): Helium is used as a coolant in MRI machines.
• Aerospace: Helium is used as a lifting gas in balloons and airships.
• Laboratory research: Helium is used in a variety of laboratory research applications, such as mass spectrometry and nuclear magnetic resonance spectroscopy.
• Welding: Helium is used as a shielding gas in welding applications.

High purity helium gas is available in a variety of purities, ranging from 99.9% to 99.9999%. The purity of the helium required for a particular application will depend on the specific needs of that application.

Here are some of the benefits of using high purity helium gas:

• It is a non-flammable and non-toxic gas, making it safe to use in a variety of applications.
• It is inert, meaning it does not react with other elements, which makes it ideal for applications where oxidation or corrosion is a concern.
• It has a very low boiling point, which makes it ideal for cryogenic applications.
• It is a very light gas, which makes it ideal for lifting applications.

Here are some of the risks associated with using high purity helium gas:

• It can be asphyxiating, meaning it can displace oxygen in the air and lead to suffocation.
• It can cause frostbite if it comes into contact with cold skin.
• It can be used to create an explosion if it is mixed with other flammable gases.

It is important to take precautions when using high purity helium gas to avoid these risks. Always use high purity helium gas in a well-ventilated area and never mix it with other flammable gases. If you are using high purity helium gas in a medical application, be sure to follow the instructions of your doctor or other healthcare provider.