| abstract |
The utility model provides a device of sulfur dioxide volume of remaining in quick quantitative determination chinese -medicinal material, belongs to pharmaceutical analysis technical field. The device is including pure water bottle, sodium hydroxide solution bottle, two formalin bottles of adjacent benzene, ammonium acetate solution bottle, sodium hydrosulphite solution bottle, the little flow control type peristaltic pump of multichannel, reaction tank, ultrasonic instrument, little flow control type peristaltic pump, snakelike condenser pipe, filtration membrane, cell, detector, workstation. The device has instrument and easy operation, the testing result is accurate, can detect sulfur dioxide in the chinese -medicinal material effectively. |