The resistivity requirements for pure water used in different experiments are different, so the water treatment process used is different. The pure water used in the laboratory is divided into three levels. Can ultra pure water used in the laboratory be produced using reverse osmosis pure water equipment?
The first grade water used in the laboratory does not contain dissolved or colloidal ion impurities and organic matter. The second grade water is further processed on the basis of the first grade water, which generally contains trace amounts of inorganic, organic or colloidal impurities. The third grade water is suitable for general laboratory experimental work.
The ultra pure water equipment used in the laboratory requires a high water quality of 18.2 M Ω - cm. The reverse osmosis pure water equipment uses membrane separation technology, which utilizes high-pressure pump pressurization and reverse osmosis membrane interception to effectively remove impurities such as solid dissolved substances, organic matter, colloids, microorganisms, and bacteria contained in the water.
The laboratory pure water system is a type of water that produces extremely high purity, which refers to the removal of almost all conductive media from water, as well as the removal of non dissociative gases, colloids, and organic matter (including bacteria) to a very low level.
Reverse osmosis technology is a membrane separation technology used in conjunction with pre-treatment systems; By using high-pressure pumps for pressurization and reverse osmosis membranes for retention, impurities such as solid dissolved substances, organic matter, colloids, microorganisms, and bacteria in water can be effectively removed.
Many laboratories also have certain water quality requirements for indicators such as TOC, bacteria, and endotoxins in pure water, so the specific requirements still need to be determined according to the laboratory. Pure water equipment has a wide range of applications (biological and chemical laboratories, electronics, chemical engineering, pharmaceuticals, etc.), high degree of automation, small footprint, low energy consumption, and good effluent quality.