Abstract: Fluid connector for connecting a first fluid-bearing conduit in a capillary tube to a second fluid-bearing conduit in a receiver. An internal fitting assembly includes an internal fitting body, a body cavity for receiving a ferrule and a self-compensating nut, the ferrule and self-compensating nut being locatable on the capillary tube, and an internal ferrule seat located on a portion of the body cavity, against which a tapered portion of the ferrule is applied to so as to obtain a first fluid-tight seal between the capillary tube, the ferrule, and the ferrule seat.

Abstract: Method for the analysis of one or more analytes present in a sample carried in a first fluid. The first fluid is combined with a first detector fluid and a second detector fluid to provide a fluid mixture which flows across the surface of an igniter. The analytes are ionized by means of an ionization process. The ion current is collected and measured at a collector electrode adjacent to the igniter. The flow of at least one of the first detector fluid and second detector fluid is modulated during an ignition sequence according to predetermined criteria so as to facilitate flame ignition.

Abstract: Method and apparatus for the analysis of one or more analytes present in a sample carried in a first fluid. The first fluid is combined with a first detector fluid and a second detector fluid to provide a fluid mixture which flows across the surface of an igniter. The analytes are ionized by means of an ionization process. The ion current is collected and measured at a collector electrode adjacent to the igniter. The flow of at least one of the first detector fluid and second detector fluid is modulated during an ignition sequence according to predetermined criteria so as to facilitate flame ignition.

Abstract: An analytical instrument preferably in the form of a chromatograph includes a computer, a pneumatic controller responsive to the computer, and planar manifold assembly. The planar manifold assembly includes one or more fluid-handling functional devices that may be surface mounted to a planar manifold. The fluid-handling functional device may be constructed as a valve, operable in response to a control signal from pneumatic controller for controlling fluid flow in selected fluid flow paths in the chromatograph, or as a sensor, a fluid regulator, a fluid flow input or output line, or the like.

Abstract: An analytical instrument preferably in the form of a chromatograph includes a computer, a pneumatic controller responsive to the computer, and planar manifold assembly. The planar manifold assembly includes one or more fluid-handling functional devices that may be surface mounted to a planar manifold. The fluid-handling functional device may be constructed as a valve, operable in response to a control signal from pneumatic controller for controlling fluid flow in selected fluid flow paths in the chromatograph, or as a sensor, a fluid regulator, a fluid flow input or output line, or the like.

Abstract: An oven for a chromatograph is shown in which intake and exhaust ports are both located on the opposite side of the fan from the columns, and in such manner that ambient air entering through the intake port merges with hot air from the oven before reaching the columns.