Carbon dioxide gaseous high purity

Requirements and norms to physical and chemical indicators

Name of an indicator	Norm on TU
Volume fraction of carbon dioxide (CO2), %, not less	99,990
Volume fraction of oxygen (O2), %, no more *	0,005
Volume fraction of nitrogen (N2), %, no more *	0,005
Availability of moisture, %, no more (the dew point is not higher minus 60 °C)	0,001
Hydrocarbons (CH4 + C2H6), % about., totally, no more	0,0005
Carbon oxide (WITH), % about., no more	0,0002