With the progress of society and the opening up of Chinese education, school classrooms have also begun to diversify. Real-world demonstrations of chemical physics have also become an indispensable thing in high school classrooms. Various glass teaching instruments are also used in various aspects. Educational equipment will show you the classification of glass teaching equipment.
The burner is a glass instrument that can be used to heat chemical substances. The materials used are usually harsher. It should be made of hard 95 material or GG-17 high silica boroglass. It is characterized by thinness and uniformity, and its resistance to sudden cold and heat is good.
Burner usually refers to beaker, conical (triangular) flask, three-necked (single-necked, two-necked, four-necked) round-bottomed flask, flat-bottomed flask, test tube, condenser (spherical, serpentine, straight, atmosphere, etc.), distillation head , Fractionation head, fractionation column, rectification column.
The measuring device is a glass product engraved with a finer scale and used to measure the volume. The material used can accept 75 materials. The quality evaluation scale is the measurement accuracy and measurement accuracy. Measuring instruments usually refer to measuring barrels, measuring cups, burettes (acid, alkali), pipettes (or graduated pipettes), volumetric flasks, thermometers, hydrometers, sugar meters, hygrometers, etc.
The container is made of glass products containing chemical substances. Generally, the material used is thicker. Strictly speaking, its material should also be soft soda-alkali chemical glass frit. However, most manufacturers now choose ordinary glass. It is characterized by thicker walls. The container usually refers to various narrow mouth bottles, wide mouth bottles, lower mouth bottles, drop bottles and various glass tanks.
In addition, there are various funnels (spherical, pear-shaped, dripping, triangle, etc.), making dishes, dryers, drying towers, drying tubes, gas washing bottles, weighing bottles (boxes), mortars, glass tubes, sand Core filter etc.
There are also a small number of optical glass and quartz glass instruments such as colorimeters, colorimetric tubes, magnifying lenses, and microscope lenses.
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