Dilute standard gases prepared by utilizing buffered solution, m

Details Dilute standard gases prepared by utilizing buffered solution, m Dilute standard gases prepared by utilizing buffered solution, m

1977-03-31

1982-09-28

Barr, J. L.

Compositions

Nonreactive analytical, testing, or indicating compositions

23230R, 23232R, C09K 300

Patent

active

043517439

ABSTRACT:
Dilute standard gases are prepared by utilizing a buffered solution of a compound capable of generating a desired gas. The pH of the solution adjusted so as to provide a solution with a desired specific vapor pressure of said gas and said gas is absorbed by a flow of air passed through the vapor phase above the solution. An apparatus for the performance of said process is also provided.

REFERENCES:
patent: 3466249 (1969-09-01), Anderson
patent: 3681255 (1972-08-01), Wilfore
patent: 3721253 (1973-03-01), Remke et al.
patent: 3804595 (1974-04-01), Scott
patent: 3859049 (1975-01-01), Ware et al.
patent: 4001142 (1977-01-01), Turner
patent: 4042333 (1977-08-01), Dell et al.
patent: 4126575 (1978-11-01), Louderback
patent: 4163734 (1979-08-01), Sorenson
patent: 4188190 (1980-02-01), Murahi et al.

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