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  • Use of extraction and separation funnel

    Use of extraction and separation funnel  Extraction is one of the common operations for separating and purifying organic compounds. The application of extraction allows the extraction of desired substances from liquid or solid mixtures, the former called “liquid-liquid extraction” and...
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  • How to use separatory funnel?

    How to use separatory funnel? The main purpose of the separatory funnel: ①Separate two liquids that are stratified and do not react ②Extract a certain component from the solution ③Wash the product with water or alkali or acid ④ Replace the dropping funnel and add reagents dropwise Points to note...
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  • Distracted by these “little troubles” in the laboratory? Look here, there are good ideas!

    Distracted by these “little troubles” in the laboratory? Look here, there are good ideas! In the laboratory, in addition to the first problem “washing the bottle”, everyone often encounters some large and small problems, such as the bottle stopper sticking and not opening,...
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  • The correct way of using the measuring pipette

    The correct way of using the Volumetric Pipette Abstract: Volumetric Pipette is a gauge used to accurately move a certain volume of solution. A Volumetric Pipette is a dispensing instrument used only to measure the volume of the solution it releases. It is a long, thin glass tube with an expan...
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  • These factors can affect the accuracy of the glass gauge in the laboratory

    These factors can affect the accuracy of the glass gauge in the laboratory 1.The temperature of the gauge The capacity of the gauge varies with temperature. The temperature at which a gauge is measured in or out of its nominal capacity is the standard temperature. The body thermal expansion coeff...
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  • To grow cells, you also need to pay attention to these details!(2)

    To grow cells, you also need to pay attention to these details!(2) Selection of cryopreservation medium The freezing medium must be selected when freezing cells. The freezing medium should contain cryoprotectants such as DMSO or glycerol. It is also possible to use specially formulated complete...
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  • To grow cells, you also need to pay attention to these details!(1)

    To grow cells, you also need to pay attention to these details!(1) Cell regeneration is a heart-stirring thing. You have to treat it as carefully as a child. Take care of her and take care of her. If you pay attention to these issues when you take care of it, your cells will grow better. Let...
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  • We are also doing PCR experiments. Why are the results always different from others?

    We are also doing PCR experiments. Why are the results always different from others? In the laboratory, look at other people’s PCR, amplification efficiency is high, electrophoresis strip perfect, and look at their own, hard to do for a long time, feel the reaction is very good, the result ...
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  • Do yo know the correct way of using the Volumetric Pipette?

    Do yo know The correct way of using the Volumetric Pipette? Abstract: Volumetric Pipette is a gauge used to accurately move a certain volume of solution. A Volumetric Pipette is a dispensing instrument used only to measure the volume of the solution it releases. It is a long, thin glass tube with...
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  • How to choose consumables for PCR laboratory (2)

    How to choose consumables for PCR laboratory (2) The spread of the new crown epidemic in some areas has become a matter of most concern to everyone. The detection of the new coronavirus currently mainly uses the fluorescent quantitative PCR method, and the completion time of a nucleic acid test r...
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  • How to choose consumables for PCR laboratory(1)

    How to choose consumables for PCR laboratory(1) Since the new crown epidemic, nucleic acid testing has received more and more attention, and the demand for PCR laboratories has also increased. Today, I will mainly introduce how to choose consumables for PCR laboratory. First of all, we need to cl...
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  • Do you know how to choose the appropriate centrifuge tube?

    Do you know how to choose the appropriate centrifuge tube? Centrifuge tube is a common experimental consumable in the laboratory, mainly used in conjunction with the centrifuge. Generally, manufacturers of centrifuges will produce corresponding centrifuge tubes, mainly to ensure the overall safe...
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