Integrated sample introduction detection device and heavy metal rapid detection method

• Main Authors: QIAN YONGZHONG, SUN HUIFANG, LIU JIXIN, MAO XUEFEI
• Format: Patent
• Language: Chinese; English
• Published: 09.05.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The invention discloses an integrated sample introduction detection device and a heavy metal rapid detection method, and relates to the field of analytical chemistry. The device comprises a dielectric barrier discharger and a spectrograph, a cavity of the dielectric barrier discharger is internally provided with a heat-assisted evaporation part used for containing a sample to be detected, the cavity of the dielectric barrier discharger is wrapped with a metal foil/wire, and the cavity wall of the dielectric barrier discharger is provided with an inlet used for introducing air, inert gas or reducing gas; the heat-assisted evaporation part is used as an inner electrode of the dielectric barrier discharger, the metal foil/wire is used as an outer electrode of the dielectric barrier discharger, an integrated coaxial dielectric barrier discharge structure is formed, and the spectrograph is arranged at an outlet of the dielectric barrier discharger and is used for carrying out characteristic spectrum detection. Acc