Laboratory ultrapure water machines, as the name suggests, are mechanical equipment capable of producing ultrapure water. Ultrapure water, which refers to water that has been stripped of all impurities and minerals in the water, is so pure that it can almost be considered pure. The water has an extremely high resistivity and can be used in industries that require extremely high water quality, such as electronics, semiconductors, pharmaceuticals, and food.
Scope of application:
1.Laboratory research: Ultrapure water is widely used in laboratory experiments such as solution preparation, sample preparation, analysis and testing.
2.Analytical instruments: Many analytical instruments such as high-performance liquid chromatography (HPLC), gas chromatography (GC), mass spectrometer, etc., require the use of high-purity water as a reagent or solvent.
3.Cell culture and biological experiments: Ultrapure water is widely used to prepare media, buffers, and reagents in biological experiments such as cell culture, PCR reactions, and protein purification.
4.Pharmaceutical industry: The pharmaceutical industry has high water quality requirements and requires the use of sterile, microbial-free, ultrapure water in the manufacture of drugs and injections.
Equipment process:
1.Inlet water treatment: Tap water or other original water sources are filtered through the pretreatment system to remove impurities such as suspended solids and particulate matter to ensure that the water quality entering the ultrapure water machine meets the requirements.
2.Primary Reverse Osmosis (RO): In this step, the incoming water is membrane separated by reverse osmosis technology to remove most of the dissolved solids, inorganic salts, and most of the organic matter. This step typically uses a semipermeable membrane to separate the solution.
3.Ion exchange resins: After RO, residual cations and anions are further removed by the adsorption of ion exchange resins. Normally, cation exchange resins are used to remove metal ions such as calcium and magnesiumAnion exchange resins are used to remove nitrates, chlorides, etc.
4.Activated carbon filtration: Activated carbon can effectively remove organic pollutants and residual chlorine, and purify water quality.
5.Nanofiltration Ultrafiltration: Nanofiltration or ultrafiltration technology removes residual trace solutes and microorganisms to further improve the purity of water.
6.Ultraviolet sterilization: Kills or inactivates bacteria, viruses and other microorganisms by ultraviolet irradiation.
7.Reverse osmosis membrane retreatment: In this step, the water is treated twice using reverse osmosis technology to ensure that the purity of the water reaches an ultra-pure level. This process often requires the monitoring of water quality through conductivity instruments.
8.Final filtration: The last process is through 0The 22 m class microporous membrane completely removes residual microorganisms and particulate matter, resulting in laboratory water that meets the requirements of ultrapure water.
The above is a typical laboratory ultrapure water machine equipment process, which may be slightly different under different manufacturers and specific requirements.
Purchase Points:
1.Purity requirements: Determine the required water quality level and related index requirements according to the specific application needs. For example, whether water for injection (WFI) levels need to be reached.
2.Yield & Flow Rate: Determine the required throughput based on daily usage and ensure that the flow rate of the equipment meets the needs of the lab.
3.Equipment size and installation: Consider the space constraints of the laboratory and choose the appropriate equipment size and installation method (desktop or wall mounted).
4.Energy Saving and Maintenance Costs: Understand the energy consumption and maintenance requirements of your equipment, choose energy-efficient equipment, and consider long-term operating costs.
5.Brand reputation and after-sales service: choose manufacturers with good brand reputation and reliable after-sales service.
6.Supporting accessories and functional options: According to specific needs, choose whether you need supporting accessories such as water storage buckets, conductivity meters, etc., and understand whether the equipment has special functions such as self-cleaning and self-disinfection.
7.Economics vs. Budget: Determine the scope of equipment purchased based on the lab budget and weigh the relationship between economy and quality.
It is best to consult a professional or manufacturer before purchasing to ensure that you choose an ultrapure water machine that is suitable for the needs of the laboratory and has a high cost performance.
Laboratory ultrapure water machine is an important tool for scientific research, and its existence and development are of great significance for promoting the progress of scientific research.