| 摘要 |
PURPOSE:To make unnecessary a calibrating operation for analyzing a standard sample in the course of the analysis by preventing a variation of a particle diameter distribution of spray particles due to an atm. temp. in a sample sprayer. CONSTITUTION:A water jacket 11 is provided by surrounding an outer side of an outer circumferential wall 1 and a cylinder part 4, a warm water whose temp. is controlled to a fixed temp. somewhat higher than that of outer air is circulated therethrough, and halfway parts of a spraying air supplying tube 12 and a gas supplying tube 9 are passed through a warm water vessel 13. The warm water whose temp. is controlled fixedly is circulated through the vessel 13. By this constitution, the temp. in a spraying chamber A is held to a fixed temp. at a precision of + or -0.1 deg.C. If the temp. is controlled to the fixed value by circulating the warm water, heat capacity of the warm water is large, and a temp. ripple with an on-off control of a temp. controller can be made small. |
