Classification of glass instruments
Dec 12, 2024
Common glass instruments (containers, gauges and other utensils) classification, washing and use precautions summary!
2019-05-18 12:11
1. Classification of glass instruments
Container class
Including reagent bottles, beakers, flasks, etc. According to whether they can be heated, they can be divided into heating and heating utensils.
Class of measures
There are measuring cylinders, pipette, burette, volumetric bottles and so on. Gauges must not be subjected to heat.
Other utensils
Other utensils include glassware with special purposes, such as condensing tubes, separation funnels, dryers, fractionating columns, sand core funnels, standard ground glass instruments, etc. Porcelain vessels include evaporating dish, Brinell funnel, porcelain orange pot, porcelain mortar and so on.
Second, glass instrument washing
The vessels used in analytical chemistry experiments should be clean, and the inner and outer walls should be uniformly wetted by water without hanging water beads.
Beakers, cone bottles, measuring cylinders, measuring cups and other general glassware commonly used in the experiment can be washed with a brush dipped in dirt powder or synthetic detergent, then washed with tap water, and then washed with distilled water or deionized water three times.