| 摘要 |
The Ultraviolet pretreatment device in the present invention relates to an interface technique in the field of coupling technology for the analysis of chemical element species. The objective is to provide an Ultraviolet pretreatment device with simple structure, enhanced UV illuminance, and high digestion efficiency. The Ultraviolet pretreatment device in the present invention comprises a low pressure Mercury lamp and a quartz tube, wherein, the low pressure Mercury lamp comprises a lamp tube, electrodes and a power source. The quartz tube is located within the lamp tube, the two ends of the quartz tube are fixedly and respectively joined with the tube wall of the lamp tube, the inner wall of the lamp tube and the outer wall of the quartz tube form a sealed gas chamber, and the electrodes are located in the gas chamber. |
