Knowledge
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Mar / 26
2022
The structure of the filter bottle
It is a thick-walled triangular bottle, and two shapes of upper mouth or upper and lower mouth are welded on the lower part of the neck (shoulder) and the lower part of the bottle bottom.
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Mar / 25
2022
Precautions for the use of measuring cylinders
After we wash things, we like to put them in the oven to dry, but the measuring cylinder is a glassware, and heating will deform it, which will affect its accuracy.
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Mar / 24
2022
The accuracy of the measuring cylinder
The measuring cylinder is a coarse measuring device, its accuracy. If the minimum scale of a measuring cylinder with a volume of 5mL is 0.1mL
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Mar / 23
2022
Simple Instructions for Measuring Cylinders
A graduated cylinder is a measuring device used in the laboratory, mainly made of glass, and a few (especially large ones) are made of transparent plastic.
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Mar / 22
2022
Precautions for the use of Erlenmeyer flasks
The injected liquid should not exceed 1/2 of its volume, too much will easily cause splashing.
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Mar / 21
2022
A brief introduction to the triangular flask
The Erlenmeyer flask is a titration reactor with a triangular longitudinal section made of hard glass.
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Mar / 20
2022
The difference between a separatory funnel and a long neck funnel
Separation funnel: a device for solid-liquid or liquid-liquid reaction. The amount of the added liquid, the size of the reaction rate
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Mar / 19
2022
Simple illustration of a separatory funnel
Separation funnel is a glass experimental instrument mainly used to extract liquid and control the reaction rate. Divided into ball, pear and barrel and other styles.