With the advancement of science and technology, people’s familiarity with all kinds of things in nature is moving towards micro and essential development. Many experiments and tests require reagents or impurities in the culture environment to reach the ppb level, and some It can even reach the ppt level; for example, in the process of life science research, it is very sensitive to a variety of pollutants in the water, especially heavy metals and soluble organics.
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The main purpose of pure water
●Final cleaning of laboratory utensils
●Water for buffer and chemical reagent preparation
●Microbial culture medium preparation water
●Pure water for hydrogen generator, indoor humidifier, high pressure sterilizer
●Drinking water for human or laboratory animals, etc.;
Main uses of ultrapure water
●Water for animal and plant cell culture
●Water for various medical biochemical meters, analyzers, and hemodialysis machines
●Analytical reagents and medicines with dilution water
●Water for physiology, pathology and toxicology experiments
●Purified water and high-purity water for hospitals, pharmaceutical preparation rooms and central laboratories
●Water for atomic absorption spectroscopy
●Test tube baby water
●Various high performance liquid chromatography, ion chromatography water
●Other various laboratory water and medical water.
The main process of ultra-purified water quality
Common impurities in natural water include soluble inorganic matter, organic matter, particulate matter, microorganisms, and soluble gas. The ultrapure water machine is to remove these impurities as thoroughly as possible.
At present, the commonly used process methods for water purification include distillation, reverse osmosis, ion exchange, filtration, adsorption, and ultraviolet oxidation. The ultrapure water machine can generally divide the water purification process into 4 major steps, pretreatment (low-level purification), reverse osmosis (production of pure water), ion exchange (production of 18.2MΩ.cm ultrapure water) and terminal Treatment (production of ultra-pure water that meets special requirements).