功能

• A device for extracting and concentrating fumigants from plant samples.
• Add 20 mL of the organic solvent to the left side of the scale, and prepare the extracted sample with water into the right side round flask, and extract and concentrate the sample while it is refluxed with steam in the top condenser and the volume layer is submerged.
• Although it is mainly d in the field of agricultural chemistry, it is also ful for water quality tests and other purposes, and it can also be d in the field of organic synthesis.