Device for detecting trace arsenic salt in water sample

• Main Authors: HOU XIANDENG, XIA CHENGYAN, XU KAILAI
• Format: Patent
• Language: Chinese; English
• Published: 14.03.2023
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a device for detecting trace arsenic salt in a water sample. A rubber tube for injecting a sodium borohydride solution into a glass bottle generator and then clamping the glass bottle generator is sleeved on a branch tube on the side wall of the glass bottle generator; the structure of the reaction platform is as follows: a lower pipe section is connected to a central round hole of a bottom flat plate of a larger upper pipe section, hydrophobic polytetrafluoroethylene powder dripped with a color developing agent liquid is uniformly distributed on sponge on the bottom flat plate of the upper pipe section, an elastic sealing film is arranged at the top of the upper pipe section, and lead acetate cotton is filled in the lower pipe section; and the contact surfaces of the lower pipe section of the reaction platform and the bottle mouth of the glass bottle generator form air-tight seal. The device has the characteristics of simple structure, convenience in use, capability of realizing g