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Filter paper filtering method in chemical experiment

A filtering method and chemical experiment technology, which is applied in the field of chemical experiments, can solve problems such as troubles, and achieve the effect of simple steps, less use of utensils, and improved work efficiency

Inactive Publication Date: 2015-12-09
ANHUI SCI & TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is a relatively cumbersome process. It usually requires preparing a beaker for holding the filtrate, filter paper for filtering, a funnel for holding the filter paper, and a funnel frame for supporting the funnel. These parts must be installed one by one and combined into a whole to filter the slurry. , very troublesome

Method used

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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment 1

[0014] Specific embodiment 1, soil extract is filtered

[0015] (1) Folding filter paper: Take a circular filter paper with a diameter of 11cm, fold it in half twice, and fold it into a 1 / 4 circle fan shape;

[0016] (2) Open the filter hopper: stretch the folded fan-shaped filter paper from the middle to become a conical filter hopper;

[0017] (3) Put the conical filter funnel on a 50ml tall beaker with the edge turned outward, and the upper edge of the filter paper is higher than the edge of the beaker;

[0018] (4) Fill the conical filter funnel made of filter paper with soil extract to filter;

[0019] (5) After filtering out a clear solution, throw away the filter funnel and filter residue.

specific Embodiment 2

[0020] Specific embodiment 2, wheat leaf homogenate is filtered

[0021] (1) Folding filter paper: Take a circular filter paper with a diameter of 16cm, fold it in half twice, and fold it into a 1 / 4 circle fan shape;

[0022] (2) Open the filter hopper: stretch the folded fan-shaped filter paper from the middle to become a conical filter hopper;

[0023] (3) Put the conical filter funnel on a 100ml tall beaker with the edge turned outward, and the upper edge of the filter paper is higher than the edge of the beaker;

[0024] (4) Fill the conical filter hopper made of filter paper with the wheat leaf homogenate to be filtered for filtration;

[0025] (5) After filtering out a clear solution, throw away the filter paper and filter residue.

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PUM

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Abstract

The invention discloses a filter paper filtering method in a chemical experiment. The method comprises the following steps: folding filter paper to be conical, directly putting the folded filter paper on a tall beaker, and filtering pulp. The method is easy to perform, convenient, quick and good in filtering effect, and few utensils are used.

Description

technical field [0001] The present invention relates to the method of chemical experiment, more specifically a kind of filter paper filtration method in chemical experiment. Background technique [0002] In routine chemical experiments, filter paper is often used to filter the slurry. This is a relatively cumbersome process. It usually requires preparing a beaker for holding the filtrate, filter paper for filtering, a funnel for holding the filter paper, and a funnel frame for supporting the funnel. These parts must be installed one by one and combined into a whole to filter the slurry. , very troublesome. Therefore, it is meaningful to create a filter paper filtration method without support and funnel to simplify the operation steps of chemical experiments and improve work efficiency. Contents of the invention [0003] The purpose of the invention is to propose a filter paper filtration method without funnel and support for the complex situation of filter paper filtrati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D37/00B01D29/085
Inventor 林平
Owner ANHUI SCI & TECH UNIV
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