Spray chambers, sample mist introduction devices, analyzers, and method of component analysis in samples

摘要

A sample introduction port portion into which a gas stream including a sample droplet misted by the nebulizer is introduced, an outlet port for discharging at least a portion of the gas flow introduced into the sample introduction port to the outside, and a sample introduction port portion at one end portion And a flow passage tube portion having a discharge port portion at the other end and serving as a flow path for the introduced gas stream, the flow passage tube portion having a first pipe portion having a discharge port portion at one end portion and a second pipe portion having a sample introduction port portion at one end portion. It has a double pipe part comprised by the cylindrical part of the 1st pipe part and the cylindrical part of a 2nd pipe part overlapping each other in at least one part, The double pipe part is provided in the outer side of a double pipe part through the opening for additional gas and the opening for additional gas. There is provided a spray chamber having an additional gas introduction pipe portion that serves as an introduction path for introducing additional gas into the gas.