Liquid Helium (He)

Formula: He General Description: monoatomic, non-toxic, chemically inert gas, odorless, colorless and tasteless Gas purity and content of its controlled impurities(vol.%, ppmv) Brand 4.0 99,99% Brand 4.5 99,995% Brand 5.0 99,999% Brand 6.0 99,9999% Areas of use: Metallurgy - as an inert shielding gas for smelting pure metals; Welding industry - as an inert medium in arc welding; Food industry - as a packaging gas for food preservation; For gas-filled aircraft and weather probes and balloons in the entertainment industry; Breathing mixtures for deep-sea diving; Advertising - for filling gas discharge tubes; Nuclear power - as a coolant; Gas chromatography; Helium-neon lasers. Brand 4.0 Helium (He) 99.99% Neon Ne ⩽90.0 ppmv Nitrogen N2 ⩽20.0 ppmv Oxygen + Argon O₂+Ar ⩽6.0 ppmv Hydrogen H2 ⩽25.0 ppmv Amount of hydrocarbons ΣCₙHₘ ⩽5.0 ppmv Carbon monoxide + Carbon dioxide CO+CO₂ ⩽10.0 ppmv Moisture H2O ⩽20.0 ppmv

Formula: Kr General Description: monoatomic, non-toxic, chemically inert gas, odorless, colorless and tasteless Gas purity and content of its controlled impurities(vol.%, ppmv) Areas of use: Radioelectronic industry. Production of double-glazed windows. Fuel elements in the space industry. For research and development activities (medicine, space, basic sciences). Brand 5.0(HP) 99,999% Oxygen O2 ⩽0.5 ppmv Nitrogen N2 ⩽2.0 ppmv Hydrogen H2 ⩽1.0 ppmv Xenon Xe ⩽1.0 ppmv Carbon monoxide + Carbon dioxide CO+CO2 ⩽1.0 ppmv Tetrafluoromethane CF4 ⩽1.0 ppmv Hydrocarbons ΣCnHm ⩽0.5 ppmv Moisture H2O ⩽1.0 ppmv Brand 6.0(UHP) 99,9999% Oxygen O2 ⩽0.1 ppmv Nitrogen N2 ⩽0.2 ppmv Hydrogen H2 ⩽0.1 ppmv Xenon Xe ⩽0.1 ppmv Carbon monoxide + Carbon dioxide CO+CO2 ⩽0.1 ppmv Tetrafluoromethane CF4 ⩽0.1 ppmv Hydrocarbons ΣCnHm ⩽0.1 ppmv Moisture H2O ⩽0.1 ppmv

Formula: Xe Monoatomic, non-toxic, chemically inert gas, odorless, colorless and tasteless, with a high ionization potential Gas purity and content of its controlled impurities(vol.%, ppmv) Areas of use: Radioelectronic industry. For passivation of metals in the metalworking industry. For general anesthesia and pain relief in medicine. Fuel elements in the space industry. For research and development activities (medicine, space, basic sciences). Brand 5.0(HP) Xenon (Xe) 99.999% Oxygen O2 ⩽0.5 ppmv Nitrogen N2 ⩽1.0 ppmv Hydrogen H2 ⩽1.0 ppmv Krypton Kr ⩽1.0 ppmv Carbon monoxide + Carbon dioxide CO+CO2 ⩽1.0 ppmv Ethane C2F6 ⩽1.0 ppmv Sulfur hexafluoride SF6 ⩽1.0 ppmv Methane CH4 ⩽0.5 ppmv Moisture H2O ⩽1.0 ppmv Brand 6.0(UHP) Xenon (Xe) 99.9999% Oxygen O2 ⩽0.1 ppmv Nitrogen N2 ⩽0.2 ppmv Hydrogen H2 ⩽0.1 ppmv Krypton Kr ⩽0.1 ppmv Carbon monoxide + Carbon dioxide CO+CO2 ⩽0.1 ppmv Ethane C2F6 ⩽0.1 ppmv Sulfur hexafluoride SF6 ⩽0.1 ppmv

Formula: Ne General Description: monoatomic, non-toxic, chemically inert gas, odorless, colorless and tasteless Gas purity and content of its controlled impurities(vol.%, ppmv) Brand 5.0(HP) 99,999% Brand 6.0(UHP) 99,9999% Areas of use: Cryogenic facilities; Production of microelectronics; Radio engineering industry; Helium-Neon lasers; Advertising; Medicine; Chemical Industry Brand 5.0(HP) 99,999% Oxygen O2 ⩽1.0 ppmv Nitrogen N2 ⩽1.0 ppmv Hydrogen H2 ⩽1.0 ppmv Helium He ⩽2.0 ppmv Carbon monoxide + Carbon dioxide CO+CO2 ⩽1.0 ppmv Methane CH4 ⩽1.0 ppmv Moisture H2O ⩽1.0 ppmv Brand 6.0(UHP) 99,9999% Oxygen O2 ⩽0.1 ppmv Nitrogen N2 ⩽0.2 ppmv Hydrogen H2 ⩽0.1 ppmv Helium He ⩽0.1 ppmv Carbon monoxide + Carbon dioxide CO+CO2 ⩽0.1 ppmv Methane CH4 ⩽0.1 ppmv Moisture H2O ⩽0.1 ppmv