Helium

How to detect Helium

Formula: He | CAS: 7440-59-7

Specification

SpecificationValue/Information
FormulaHe
CAS no.7440-59-7
Gas Response Factor, 11.7 eVNA
Gas Response Factor, 10.6 eVZR
Gas Response Factor, 10.0 eVZR
ppm per mg/m⁻³, (20 °C, 1 bar)6.01
SpecificationValue/Information
Molecular Weight, g/mole4.0
Boiling point, °C-268.93
Flash point, °C-
Lower Explosive Limit, %-
Ionisation Energy, eV24.59

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