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Quantitative sampling device for liquid reagents for biological and chemical experiments

A technology for chemical experiments and quantitative sampling, applied in sampling devices and other directions, can solve the problems of low access efficiency of liquid reagents, inability to quantitatively access, and low modification costs, and achieve the effects of simple structure, convenient handling and movement, and reduced waste.

Inactive Publication Date: 2018-04-17
胡蔻孜
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the shortcomings of the existing biological and chemical experiments, such as low efficiency, large waste, and inability to quantitatively access liquid reagents, and provide a new type of quantitative sampling device for liquid reagents. The device has small changes, simple structure, and low cost. lower

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  • Quantitative sampling device for liquid reagents for biological and chemical experiments

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Embodiment Construction

[0014] In order to enable those skilled in the art to fully understand the technical solutions and beneficial effects of the present invention, further description will be given below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the following examples are only used as illustrations of the present invention, and do not constitute limitations, and improvements made without departing from the gist of the present invention also fall within its protection scope.

[0015] Such as figure 1 As shown, a liquid reagent quantitative sampling device for biological and chemical experiments mainly includes a cylindrical glass container body 1 , a draft tube 2 , a liquid storage barrel 5 , a piston 3 , and a base 10 . 3-6 glass guide tubes 2 are evenly arranged on the lower side of the outer periphery of the glass container body 1 near the bottom, and the ends of the guide tubes are connected to the feeding port extending from the side of th...

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Abstract

The invention relates to a liquid reagent quantitative sampling device for biological and chemical experiments, comprising a container body (1), a guide tube (2), a piston (3), a liquid storage barrel (5), a valve (6) and a base (10 ), one end of the diversion tube (2) communicates with the bottom of the container body and the other end communicates with the lower side of the liquid storage tank, the liquid storage tank (5) is provided with a piston (3), and the bottom of the liquid storage tank is provided with a liquid-taking Port (9) and control valve (8), when in use, fix the piston to the preset volume, open or close the corresponding valve to complete more accurate quantitative sampling. The device is equipped with multiple sampling ports for multiple groups of students to take samples at the same time. The sampling efficiency is high. Quantitative sampling can reduce waste and save experimental drugs. The design of the bottom roller is convenient for handling and moving.

Description

technical field [0001] The invention relates to the technical field of experimental equipment, in particular to a liquid reagent quantitative sampling device for biological and chemical experiments. Background technique [0002] Biology and chemistry are important basic subjects. During the learning process, students must participate in experiments by themselves in order to deeply understand and master the relevant scientific principles and the mysteries of nature. The importance of experiments is very obvious in the textbooks of biology, chemistry and physics in middle and high schools. The relevant parts involve as many as 20 or 30 experiments conducted by students themselves. Reagents, especially liquid reagents, such as copper sulfate solution, sodium hydroxide solution, hydrochloric acid solution, dilute sulfuric acid solution, saline solution, distilled water, etc., are needed to do experiments. Since there are often many students in a class, a large amount of liquid ...

Claims

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Application Information

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IPC IPC(8): G01N1/10
CPCG01N1/10
Inventor 胡蔻孜
Owner 胡蔻孜