Burner is a glass instrument that can be used to heat chemical substances. The materials used are generally strict, and hard 95 material or GG-17 high silicon boron glass should be used. Its characteristics are thin and uniform, and its resistance to sudden cooling and heating is good.
Burners generally refer to beakers, conical (triangular) flasks, three mouth (single mouth, two mouth, four mouth) round bottomed flasks, flat bottomed flasks, test tubes, condensers (spherical, serpentine, straight, air, etc.), distillation heads, fractionation heads, fractionation columns, and distillation columns.
A measuring instrument is a glass product with precise scales for measuring capacity. The material used can be 75 pieces, and its quality evaluation standards are measurement accuracy and measurement accuracy.
Gauges generally refer to measuring barrels, measuring cups, burettes (acid, alkali), pipettes (or graduated pipettes), volumetric flasks, thermometers, hydrometers, sugar meters, hygrometers, etc.
Containers are glass products that contain chemical substances. Generally, the materials used are thicker. Strictly speaking, the selection of materials should also be based on soft sodium alkali chemical glass materials. However, most manufacturers even choose ordinary glass, which is characterized by thicker walls. Containers generally refer to various fine necked bottles, wide necked bottles, bottom necked bottles, drip bottles, and various glass channels.
In addition, there are various funnels (spherical, pear shaped, droplet, triangular, etc.), culture dishes, dryers, drying towers, drying tubes, washing cylinders, weighing bottles (boxes), mortars, glass tubes, sand core filters, etc.
There are also a small number of optical glass and quartz glass instruments such as colorimetric devices, colorimetric tubes, magnifying lenses, and microscopes.
The classification of glass instrument specifications is mainly based on volume and length. The classification of the same type of instrument from small to large is very detailed, but due to the level of laboratory use, the volume is between 1ml and 10000ml, and the length is generally between 5cm and 10000cm. The division of its specifications and models adopts the principle of halving.
Post time: Oct-26-2023