Spray chamber, sample atomization introduction device, analyzer and method for analyzing components in sample

摘要

A sample introduction port into which a gas flow containing the sample droplets atomized by the nebulizer is introduced, an outlet through which at least a part of the gas flow introduced into the sample introduction port is discharged to the outside, and one end. Having a sample introduction port at the other end thereof, having a discharge port at the other end thereof, and having a flow channel tube serving as a flow path of the introduced gas flow, wherein the flow channel tube portion has one end portion. A first pipe portion having a discharge port portion, and a second pipe portion having a sample introduction port portion at one end, the cylindrical portion of the first pipe portion and the cylindrical portion of the second pipe portion at least. It has a double pipe part formed by partially overlapping, and an additional gas is introduced into the double pipe part through an additional gas introduction opening and an additional gas introduction opening on the outer side surface of the double pipe part. A spray chamber having an additional gas introduction pipe section serving as an introduction path is provided.