CGA G-11.1 - 1992 CGA Standards for Argon ATTENTION!!!
Maxima for Gaseous and Liquid Argon (Type I and Type II)
Limiting Characteristics A B C D E F
Argon Min. % (mole) 99.985 99.996 99.997 99.998 99.999 99.9985
Water ppm 23.0 14.3 10.5 3.5 1.5 1
Dew Point (F) -65 -72 -76 -90 -100 -104
Oxygen 50 7 5 2 1 2
Nitrogen 50 15 20 10 5 10
Hydrogen 50 1 1 1 1 1
Total Hydrocarbons 5 3 0.5 0.5 0.5
Carbon Dioxide 0.5 0.5 0.5
Carbon Monoxide Note 2

Note that this is only a chart and does not reflect the standards for filtration, analytical tolerance and other data. This is for quick reference only and you should review the entire document for other specifications relating to process and production.


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