Helium

helium

How to detect Helium

Formula: He | CAS: 7440-59-7

Synonyms: helium

Specification

Specification Value/Information
Formula He
CAS no. 7440-59-7
Gas Response Factor, 11.7 eV NA
Gas Response Factor, 10.6 eV ZR
Gas Response Factor, 10.0 eV ZR
ppm per mg/m⁻³, (20 °C, 1 bar) 6.01
Specification Value/Information
Molecular Weight, g/mole 4.0
Boiling point, °C -268.93
Flash point, °C -
Lower Explosive Limit, % -
Ionisation Energy, eV 24.59

TITLE HERE