Supercritical fluid chromatography

Details Supercritical fluid chromatography Supercritical fluid chromatography

1989-07-10

1990-10-16

Williams, Hezron E.

Measuring and testing

Gas analysis

Gas chromatography

73 611C, G01N 3032

Patent

active

049626620

ABSTRACT:
In a system for analyzing a chemical sample by chromatographic separation of said sample into components a method and apparatus are provided for maximizing detector resolution and minimizing duration by maintaining the linear velocity of the mobile phase at a desired level by affecting the viscosity and density characteristics of the mobile phase as it passes through a restrictor by programming the restrictor temperature.

REFERENCES:
patent: 4151741 (1979-05-01), Schirrmeister
patent: 4271695 (1981-06-01), Sisti et al.
patent: 4597943 (1986-07-01), Sugiyama et al.

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