Pretreatment system for determining ultraviolet light absorber in household product

• Main Authors: TANG SUIPING, CHEN MANYING, LI JINQING
• Format: Patent
• Language: Chinese; English
• Published: 21.08.2020
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a pretreatment system for measuring an ultraviolet light absorber in a household product. The device comprises an extraction and purification integrated test tube and an efficient concentration and enrichment device, wherein the extraction and purification integrated test tube comprises an extraction tube, a purification column and a purified liquid collection tube which are detachably connected; the efficient concentration and enrichment device comprises a test tube rack, a chamber arranged in the test tube rack and a heating chamber arranged on one side of the test tube rack, wherein a plurality of test tubes are arranged in the cavity, a serpentine metal tube and a heating module are arranged in the heating cavity, one end of the serpentine metal tube is connected with a nitrogen inlet, the other end of the serpentine metal tube is connected with a nitrogen guide tube, a nitrogen branch tube is arranged on the nitrogen guide tube, the nitrogen branch tubeis guided into the test