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Industrial and Medical Gas Specifications (U.S.)

Argon

Purity ≥ 99.997%
Oxygen ≤ 0.0005%
Dew Point
≤ -90ºF  

Helium – Gaseous

Purity ≥ 99.995%
Oxygen ≤ 0.0005%
Dew Point
≤ -90ºF 

Helium – Liquid

Purity ≥ 99.999%
Oxygen ≤ 0.0001%
Dew Point
≤ -113ºF  

Hydrogen – Gaseous

Purity ≥ 99.95%
Oxygen ≤ 0.0005%
Dew Point
≤ -90ºF  

Hydrogen – Liquid

Purity ≥ 99.999%
Oxygen ≤ 0.0002%
Dew Point
≤ -105ºF

Medical Nitrogen – meets Nitrogen NF

Total Purity (Including Inerts) ≥ 99.0%
Oxygen ≤ 1.0%
Carbon Monoxide
≤ 0.001%
Odor
None

Nitrogen – Industrial Grade

Total Purity (Including Inerts) ≥ 99.998%
Oxygen ≤ 0.001%
Dew Point
≤ -90ºF  

Nitrogen – Food Grade

Total Purity (Including Inerts) ≥ 99.0%
Oxygen ≤ 1.0%
Carbon Monoxide
≤ 0.001%  
Carbon Dioxide ≤ 0.03% 
Water ≤ 56 PPM
Odor None

Medical Oxygen – meets Oxygen USP

Total Oxygen Purity ≥ 99.0%
Odor
None

Oxygen – Industrial Grade

Total Oxygen Purity ≥ 99.5%
Inerts ≤ 0.5%
Dew Point
≤ -80ºF  

Carbon Monoxide – Gaseous

Purity ≥ 98.0%
Oxygen ≤ 0.0001%
Dew Point
≤ -90ºF  

Carbon Dioxide – Food Grade

Purity ≥ 99.5%
Dew Point
≤ -68ºF  

Carbon Dioxide – Beverage Grade

Purity ≥ 99.9%
Dew Point
≤ -68ºF