Precautions for using a laboratory ultrapure water machine. As the mainstream equipment for producing pure water in laboratories, laboratory ultrapure water machines are very suitable for the current scientific research environment. The convenient water production method and efficient water production speed make it very convenient for laboratory researchers to use water. However, in daily use, we should also pay attention to the precautions for using laboratory ultrapure water machines.
Usually, the pure and ultrapure water used in laboratories and production processes is almost always produced based on the drinking water produced by water plants. However, the drinking water produced by the water plant not only contains suspended solids, but also impurities of ions and organic components. Gases dissolved in water must also be removed from pure and ultrapure water. Only by doing so can we obtain water with stable properties and high purity.
In the production process, there is a consensus among producers that the production technology of laboratory ultrapure water can reduce biofilms originating from bacteria, but cannot eradicate these biofilms. Practice has taught us that although the nutrient content in ultrapure water is extremely low, microorganisms can still reproduce at a fast pace. Practice also tells us another unchanging truth: maintaining the purity of a system is much simpler than cleaning up a contaminated system. Therefore, important design criteria to ensure the monitoring of bacteria are: high flow rate, smooth surface, and minimum dead corner area.
Comprehensive disinfection
In fact, the production equipment for medical purified water at room temperature is contaminated by bacteria. Unlike disinfection, hot water disinfection cannot kill all bacteria like sterilization. Hot water disinfection can only reduce the number of bacteria in contaminated equipment to 2-3 ‰.
High purity purification resin
For the purified water with the highest purity requirements, the Werner super purified water production system can produce up to 20000 liters per hour. Each water purifier has a capacity of 600L and is equipped with semiconductor high-purity purification resin. The additional TOC adsorber further purifies the produced pure water through UV oxidation technology, reducing the organic matter content in the water to less than 0.5 ppbTOC.
The importance of water softening
In the preliminary preparation work of pure water production, the softening of the water quality of laboratory ultrapure water is also a very important task; However, things are divided into two, and water softening equipment also poses certain risks to the production of purified water. Its ion exchange resin filter also provides a good habitat for microorganisms. In order to limit this unfavorable situation, many users have returned to using built-in disinfection and cleaning systems, but this has also brought about an increase in additional investment costs.
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