Method and apparatus for simple field test to determine final bo

Details Method and apparatus for simple field test to determine final bo Method and apparatus for simple field test to determine final bo

1976-07-12

1977-05-24

Goldstein, Herbert

Measuring and testing

Gas content of a liquid or a solid

By vibration

73231, G01N 2508, G01N 3108

Patent

active

040247520

ABSTRACT:
An apparatus is provided to directly measure the retention time of a volatile liquid sample in the column of a chromatograph. The apparatus is characterized by a chromatograph having certain resolution, a timer, and a circuit to activate the timer while the sample is eluted from the column.
A simple field test to determine the final boiling point of a hydrocarbon fraction such as gasoline is effected by comparing the retention time found for an unknown sample with that of a sample having known final boiling point.

REFERENCES:
patent: 3169389 (1965-02-01), Green, Jr. et al.
patent: 3183515 (1965-05-01), Hartman et al.
patent: 3232093 (1966-02-01), Burow et al.

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