Device for rapidly and efficiently preparing standard substance of multi-component pesticide residue mixed solution

• Main Authors: FAN LU, YAO KUNZHI, SI SHENGLING, YANG JIAWEI, GAO QIN, SUN NA, ZHAO YANGLAN
• Format: Patent
• Language: Chinese; English
• Published: 30.11.2021
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; PHYSICS; TESTING

The utility model discloses a device for quickly and efficiently preparing a standard substance of a multi-component pesticide residue mixed solution, which comprises a weighing device and an auxiliary support, the weighing device is a cylindrical integrated device made of glass and can be divided into an upper part and a lower part according to different functions, the upper part is of an open cylindrical glass structure embedded with a quartz sand sieve plate, solid raw materials, a solvent and quartz sand fixed on the inner wall of the glass are conveniently and sequentially added through an opening, the weight of various raw materials can be borne, and one-time dissolution and transfer of multi-component solid mixed raw materials are realized; the lower part is of an inner-outer double-layer cylindrical glass sandwich structure, and the inner-layer cylindrical glass is short on the left side and long on the right side and has a drainage effect; by applying the device, the requirement of quickly and effici