A medicine spoon is a tool for taking solid reagents in the form of powder or small particles.Most spoons have only one spoon, usuallyMetal、ox hornperhapsPlasticmake.Some spoons have a spoon at both ends, one large and one small, which can be selected by the experimenter according to the dosage.[1]
1. According to the different dosage of reagent, the proper size of the spoon should be selected.
2. Do not take hot drugs with a spoon or touch themacid、alkaliSolution.
Medicine spoon
3. After taking the medicine, wipe the spoon with paper in time.
4. It is better to use a special spoonGlass rodThe small glass spoon can be stored in a small container containing solid reagent for a long timeJarMedium, no need to wash every time.
Powder medicine can be taken with a spoon (orPaper bin）The operation essentials are: "one slant, two feed, three upright". The specific operation is:test tubeTilt, carefully put the medicine spoon (or paper slot) into the bottom of the test tube, and then make the test tube stand upright.[1]
Access principle
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1. The "three no" principle, that is, "no smell, no touch, no taste";Specifically, do not smell the medicine, do not touch the medicine with your hands, and do not taste the medicine
2. The principle of saving, that is, taking drugs in strict accordance with the amount specified in the experiment;If the dosage is not specified, generally use the minimum amount. The solid only needs to cover the bottom of the test tube
3. The principle of "three different requirements", that is, the disposal method of the remaining drugs. Specifically, it is not allowed to put back the original bottle, nor throw it away at will, nor take it out of the laboratory, but put it into the designated container.[1]
