A comparative experimental iron stand for the dissolution of substances

Abstract

The invention discloses a contrast experiment iron support stand for substance dissolution. The contrast experiment iron support stand for substance dissolution includes a brace, a small cross bar, a first LED light, a first temperature probe, a bracket, a platform frame, a first heater, a pedestal, a main switch, a heating switch, a voice player, a controller, a second heater, a second LED light, and a second temperature probe; the brace is vertically positioned in the center of the pedestal, two ends of a platform of the platform frame are provided with beaker grooves, and the platform frame is positioned in the center of the brace; the first heater is positioned inside the right side of the platform frame and is positioned in the bottom of one breaker groove, and the second heater is positioned inside the left side of the platform frame and is positioned in the bottom of the other breaker groove; the bracket is positioned in the middle of the brace and is positioned directly above the platform frame. The stability is improved, the contrast experiment iron support stand can automatically heat a substance as required, so that the safety of experiments is improved; the visibility is improved in all directions, so that students can observe from side faces and lower lateral sides, distant students can also see clearly, experimental requirements can be satisfied, and the students can clearly see contrast experiment effects of dissolution.

Description

technical field [0001] The invention relates to the technical field of experimental instruments, in particular to an iron stand for a comparison experiment of substance dissolution. Background technique [0002] Physics, chemistry, and primary school science experiments are inseparable topics in teaching, among which the dissolution of substances is one of the more important experimental topics. The iron stand for the comparison experiment of the existing material dissolution is a simple bracket, which requires the teacher to hold the beaker on the iron stand and heat the beaker with an alcohol lamp. The experiment process produced many troubles. And the substance dissolution experiment often requires students to see the whole process of the substance dissolution. Since the students are organized to do the experiment together, many students observe together. When the teacher is performing the demonstration experiment, the students behind cannot see the demonstration experim...

AI Technical Summary

Problems solved by technology

The iron stand for the comparison experiment of the existing material dissolution is a simple bracket, which requires the teacher to hold the beaker on the iron stand and heat the beaker with an alcohol lamp. A lot of trouble arose during the experiment

And the substance dissolution experiment often requires students to see the whole process of the substance dissolution. Since the students are organized to do the experiment together, many students observe together. When the teacher is performing the demonstration experiment, the students behind cannot see the demonstration experiment done by the teacher. affect the quality of teaching

Images