Density Length Refrigeration Area Volume Weight Power Energy Specific Energy Pressure Temperature Throughput & Leak Rate   Reference Material working pressure ranges of: -vacuum pumps -vacuum gauges -Chemicool Periodic Table -JavaScript Periodic Table   -Units of Measurement -Spectra Library -Vapor Pressure Data Optical Emission Spectral -Lines by Element -Lines by Wavelength SPECTRA LIBRARY Choose a Substance Hydrogen Helium Methane Ammonia Water Neon Acetylene Diborane Vinyl Chloride Nitrogen Ethylene Ethane Air Propane Acetaldehyde Formic Acid Nitric Acid Silane Ethanol Oxygen Hydrogen Sulphide Argon Propene Acetone Butane Methyl Ethyl Ketone MP Oil Acetic Acid Turbopump Oil Carbon Dioxide Nitrous Oxide Isopropyl Alcohol Boron Trifluoride DP Oil PPE Nitrogen Trifluoride Disilane Diphosphine Sulfur Dioxide Fomblin Carbon Tetrafluoride Tetrafouromethane Triflouromethane Freon 13 Carbon Disulphide Arsine DP Oil DC705 Benzene Krypton Silicon Tetrafluoride Freon 12 Toluene Trichloroethylene Freon 11 Xenon Mass/Relative Abundance for most intense peaks 1 2 3 4 5 This information is presented with the courtesy of SPECTRA INSTRUMENTS