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  • Common laboratory operations taboo one

    2020-10-19

    Common laboratory operations taboo oneExperimental safety is an eternal theme in the experiment. The rules of the experiment are not dogma, but some schemes that are really designed for your experimental safety. Therefore, only if you observe it well, you will not have any regrets. Now we will sort Read More

  • Common laboratory operations taboo 2

    2020-10-14

    Common laboratory operations taboo 2Experimental safety is an eternal theme in the experiment. The rules of the experiment are not dogma, but some schemes that are really designed for your experimental safety. Therefore, only if you observe it well, you will not have any regrets. Now we will sort ou Read More

  • Steps to configure solution using volumetric flask

    2020-10-12

    Steps to configure solution using volumetric flask1. Calculation: the mass of the solid or the volume of the liquid.2. Weighing: Pay attention to the accuracy of the balance when weighing solids, and also pay attention to the accuracy of the measuring cylinder and burette when measuring liquid dao. Read More

  • The overall planning and design of the laboratory and its specifications

    2020-10-12

    The overall planning and design of the laboratory and its specificationsThe overall working environment of the laboratory is different from the ordinary office environment. It has higher technical requirements. Moreover, laboratories in different fields have different requirements, and the differenc Read More

  • Guidelines for the correct use of centrifuges

    2020-10-12

    Guidelines for the correct use of centrifuges1. When the centrifuge is in the pre-cooling state, the centrifuge cover must be closed. After the centrifugation is completed, the rotor should be placed upside down on the test bench, and the remaining water in the cavity should be wiped off. The centri Read More

  • How to use the beaker?

    2020-10-09

    How to use the beaker?How to use the beaker. There is a volume scale on the beaker, but the beaker cannot be used as a measuring tool. The beaker can only roughly measure a certain volume of solution.1. Can the beaker be heated? Because the thickness of the bottom of the beaker is uneven, the beaker Read More

  • Preparation and operation of volumetric flask

    2020-10-08

    Preparation and operation of volumetric flaskThe volumetric flask is a thin-necked pear-shaped flat-bottomed glass bottle with a glass ground stopper or a plastic stopper. There is a marking line on the neck, which indicates the volume of liquid in the bottle when the liquid is full to the marking l Read More

  • Precautions for the use of volumetric flasks

    2020-10-07

    Precautions for the use of volumetric flasksThe volumetric flask is a thin-necked pear-shaped flat-bottomed volumetric vessel with a ground glass stopper. There is a marking on the neck, which indicates the volume of the solution when the liquid meniscus is tangent to the marking of the bottleneck o Read More

  • Common methods of microscope

    2020-10-07

    Common methods of microscopeThe common laboratory equipment in scientific laboratories is a microscope, especially in exploratory experiments. However, in view of the fact that many students do not have a deep understanding of the use of microscopes, they cannot complete the experimental observation Read More

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