Classification of glassware
Conveying and shut-off devices such as glass fittings, ports, valves, plugs, tubes and rods, etc.
Containers, such as dishes, bottles, beakers, flasks, tanks, test tubes, etc.
Basic operation of instruments and devices. Basic operations include absorption, drying, distillation, condensation, fractionation, evaporation, extraction, purification, filtration, separation, stirring, crushing, centrifugation, gas generation, chromatography, combustion, combustion analysis, etc.
Measuring instruments, such as flow, specific gravity, pressure, temperature, surface tension and other measuring instruments, as well as measuring instruments, droppers, pipettes, syringes, etc.
Physical measuring instruments, such as instruments for testing color, light, density, electrical parameters, phase transition, radioactivity, molecular weight, viscosity, particle size, etc.
Determination instruments for chemical elements and compounds, such as arsenic, carbon dioxide, elemental analysis, functional atomic group analysis, metal elements, sulfur, halogen and water, etc.
Material testing instruments, such as measuring instruments for atmosphere, explosives, gases, metals and minerals, mineral oil, building materials, water quality, etc.
Food, medicine, biological analysis instruments, such as food analysis, blood analysis, microbial culture, microscope accessories, serum and vaccine testing, urine testing and other analytical instruments.