Portable pH test paper box

Abstract

The invention discloses a portable pH test paper box which comprises a box body and a test paper clamp. A first sliding rod arranged horizontally is fixedly installed in the box body. A blade is connected with the first sliding rod in a sliding manner. A rubber sleeve is installed at one end, away from the test paper clamp, of the blade. The rubber sleeve is connected with a second sliding rod ina sliding manner. The two ends of the second sliding rod are fixedly connected with a first connecting rod through a first support. The portable pH test paper box can store the pH test paper well, contamination to the pH test paper from water vapor or chemical articles of the outside is avoided, by means of cooperation between the blade and a cutter rest, a second connecting rod is utilized so that the pH test paper can be cut outside the box body, contamination to the pH test paper from hands is reduced, finally, a user opens a drawer to take the pH test paper cut well, frequency of opening acover plate is reduced, and the pH test paper is further protected.

Description

technical field [0001] The invention relates to the technical field of chemical experiment instruments, in particular to a portable pH test paper box. Background technique [0002] In the prior art, when people want to detect the pH or pH value of a liquid, they usually tear off a corresponding length of pH test paper, put the test paper on a glass sheet or a watch glass, and use a clean glass rod to dip the liquid to be tested in the middle of the test paper. , observe the color after the change is stable, and compare it with the standard color card, so that the pH value of the solution can be obtained and the nature of the solution can be judged. Commonly used test papers are made into rectangular strips and stacked together. Such test papers generally have no special protection. After unpacking, they are easy to get damp in the air, and even be polluted by some chemical reagents, which will affect the experimental results. When obtaining test papers, people generally Tea...

AI Technical Summary

Problems solved by technology

Commonly used test papers are made into rectangular strips and stacked together. Such test papers generally have no special protection. After unpacking, they are easy to get damp in the air, and even be polluted by some chemical reagents, which will affect the experimental results. When obtaining test papers, people generally Tear it directly by hand, the test papers obtained in this way are of different lengths, which is easy to cause waste, and is troublesome. Sometimes the water or other substances on the hands will also pollute the pH test paper, which brings inconvenience to the operation of the experimental staff and reduces the workload. efficiency

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