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Primary reference materials containing carbon dioxide in nitrogen or synthetic air are available in a broad range of composition. Within the listed ranges any composition can be supplied. Other concentrations and other matrices are available on request.

 

Carbon dioxide in synthetic air

PRM code

Certified component

 

Nominal fraction range (mol/mol)

 

Stability period

 

AD22

CO2

100 - 500 · 10-6

24 months

 

Carbon dioxide in nitrogen

PRM code

Certified component

 

Nominal fraction range (mol/mol)

 

Stability period

 

AD11

CO2

10 - 100 · 10-6

36 months

AD12

CO2

100 - 1000 · 10-6

36 months

AD13

CO2

0,1 - 1 · 10-2

36 months

AD14

CO2

1 - 20 · 10-2

36 months

 

Cylinder pressure 11,5 MPa, Cylinder valve outlet DIN 477 no. 1, Approximate deliverable volume 0,6 m3.