Solid-liquid reagent reaction experiment method
An experimental method and reagent technology, applied in the field of chemical experimental operation, can solve the problems of safe operation, easy introduction of impurities, troublesome operation, etc., and achieve the effect of preventing pollution, simple and convenient experimental operation, and not easy to hurt.
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[0021] The invention provides a kind of solid-liquid reagent reaction experimental method, and this method specifically comprises the following steps:
[0022] 1) Prepare the solid reagents and liquid reagents that need to participate in the reaction, as well as a beaker and a solid reagent holding device. In the method of the present invention, a special solid reagent holding device is adopted, such as figure 1 As shown, the solid reagent holding device has two elongated support arms 10 with the same length, one end of the two support arms 10 is rotatably connected together, and the middle parts of the two support arms 10 are abutted against a compression spring 20, the ends of the other ends of the two support arms 10 are respectively fixedly connected with a vertical extension arm 30, and the two vertical extension arms 30 are respectively vertically connected to the same side of the two support arms and have the same length, and the two vertical extension arms 30 are far a...
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