Ras-Gas Dilution Device.
DEPARTMENT OF THE NAVY WASHINGTON D C
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This patent describes a method and device for diluting a first gas mixture having a known concentration of a given gas to obtain a second gas mixture containing a lower known concentration of the given gas. The device enables one to mix gases with appropriately low concentrations of a particular gas such that the gaseous mixture may be used to calibrate an instrument that measures such low concentrations of a gas. Author
- Industrial Chemistry and Chemical Processing