What is Type 2 Water?

There are three levels of high-purity water suggested for use in laboratories. Types I, II, and III waters are all designated by adherence to ASTM standards of purity, ensuring that the processes and applications for which they are used maintain the level of cleanliness needed for accurate and reliable results. Designations of water purity relate to the measurement of conductivity, resistivity, and organic compounds present in water, and the creation of high-purity water is achieved using different methods and techniques depending on the type of water desired.

Type II Water

Type III water is of lower grade. Type I water is the purest. Type II water is commonly used as pure, general laboratory-grade water. This kind of pure water is essential for creating chemical reagents, microbiological buffers, and consistently pure media. It is also an excellent source for washing glasswarelaboratory equipment such as autoclaves, laboratory dishwashers, and water baths. It is also a recommended source of pretreated water for your Type 1 ultrapure system. Type II water can be produced by reverse osmosis, ion exchange, and through electrical ion exchange, which uses active purification technology to combine electrodialysis with ion exchange or distillation. .

Thermo Scientific offers you a comprehensive product selection for delivering Type 2 water. Use the flow chart (below) to gain an overview of our products and to find the system that will work best for your pure water needs.