Helium is a colorless, tasteless, odorless, nontoxic gas, poorly soluble in water. This gas is highly valued because it is used in many life spheres.
This noble gas – helium – has the second lowest density following hydrogen. Being completely inert even at high temperatures, it shows low solubility in molten metals, and has a sufficiently small atomic diameter, allowing the gas to penetrate into the smallest pores. Helium’s boiling point is at -269 ° C, what appears to be the lowest figure among all the substances.
In large quantities, helium is extracted from helium-rich natural gas sources, located only in some places around the world. Its specific properties make the gas an essential component in multiple industries such as a buoyant gas for hot-air balloons and airships, a shielding gas for welding, a tracer gas for leak detection or a carrier gas in gas chromatography. Other uses are as follows:
- In the process of germanium and silicon crystal growing for transistors.
- For some metals fabrication, such as titanium and zirconium.
- In laser and fiber-optic equipment.
- For deep diving and medical purposes, mixed with oxygen.
- As an auxiliary gas for filling MRI scanners with liquid helium.
- Helium 5.0 (high purity) – 99.999%;
- Helium 4.6 (grade “A”) – 99.995%;
- Helium 4.0 (grade “B”) – 99.99%;
- Industrial helium – 99.8%.
Gaseous helium is delivered in 40-liter brown gas cylinders (GOST 949-73). To place an order or to ask for advice, please, contact us by the phone numbers, listed in “contact us” section or via e-mail.
Manufacturer: PGNiG S.A.
Gaseous helium quality matches the requirements of Technical Standarts 51-940-80.
|Helium 5.0||Helium 4.6||Helium 4.0||Industrial Helium|
|1||Volume fraction of helium, %, min||99,999||99,995||99,99||99,8|
|2||Volume fraction of hydrogen, %, max||0,00002||0,001||0,0025||0,06|
|3||Volume fraction of nitrogen, %, max||0,002||0,0005||0,002||0,12|
|4||Volume fraction of oxygen, %, max||0,00005||—||0,0005||0,005|
|5||Volume fraction of argon, %, max||0,00001||—||0,0001||0,002|
|6||Volume fraction of С02 + СО, %, max||0,00001||0,0002||0,001||N/A|
|7||Volume fraction of hydrocarbons, %, max||0,00001||0,0001||0,0005||N/A|
|8||Volume fraction of neon, %, max||0,0005||0,0040||0,009||N/A|
|9||Volume fraction of water vapor, %, max||0,0002||0,005||0,002||0,004|