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How To Dispose Of The Used Glass Reagent Bottle

Generally, it is treated according to the contents of the reagent bottle to ensure that the concentration of the contents will not cause adverse effects on the human body or the...

Main Purpose Of Alcohol Lamp

It is mainly used for low-temperature heating with alcohol lamp in chemical experiments. However, when experiments such as "charcoal reduction of copper oxide" require higher te...

Usage Of Volumetric Pipette

Moisten and wash with the solution to be measured for 2-3 times, and pinch the place above the pipe neck marking with the right thumb and middle finger.

What Is The Difference Between An Acid Buret And A Basic Buret

The acid burette is used to measure the liquid that corrodes the glass, and the basic burette is used to measure the liquid reagent that corrodes the rubber tube.

Precautions For Using Glass Test Tube

In order to facilitate shaking and prevent overflow outside the tube during boiling, the liquid drug contained in the glass test tube shall not exceed I / 3 of the volume.

Usage Of Graduated Pipette

Observe whether the straw is damaged or stained.

Use Of Slide

Slide when observing cells with a microscope, use a thin fragile transparent slide, which is a slide. Optically, a sheet of glass like material used to produce phase differences

Care Should Be Taken When Using Volumetric Flasks

​Check the tightness. After reversing the volumetric flask, observe whether there is water leakage, and then rotate the cork 180 degrees to observe whether there is water leakag...

Use Of Separating Funnel

Solid liquid or liquid and liquid reaction generator: control the amount of liquid added and the reaction rate.

Use Method Of Petri Dish

Put the reagent bottle to be used in a proper position on the work area, and loosen the cover of the reagent bottle to be used

Precautions For Petri Dish

After cleaning and disinfection before use, whether the Petri dish is clean or not has a great impact on the work, which can affect the pH of the culture medium. If there are so...

What Are The Characteristics Of The Materials Of Glass Instruments Commonly U...

​In general, most chemical laboratories use glassware, and only a few experiments use plastic ware in order to reduce the interference to the experiment.