Method and apparatus for temperature controlled samplers

Details Method and apparatus for temperature controlled samplers Method and apparatus for temperature controlled samplers

1977-06-15

1978-10-10

Reese, Robert M.

Chemistry: physical processes

Physical processes

Crystallization

422 83, 422 93, G01N 3106

Patent

active

041194039

ABSTRACT:
The invention pertains to "wet chemistry" analytical devices for pollutant gases in air. Numerous improvements are provided including a thermo-electric heating/cooling device which uses the atmosphere as a heat sump. Critical flow means to maintain constant pressure throughout the system is also provided.

REFERENCES:
patent: 854696 (1907-05-01), Jones
patent: 1448901 (1923-03-01), Moreland
patent: 2669504 (1954-02-01), Halvorson et al.
patent: 3050372 (1962-08-01), Scott
patent: 3352644 (1967-11-01), Lysyj

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