Pure LabWater Guide

Water for most laboratory and clinical applications is usually purified from drinking water. However, the unique ability of water to dissolve (to some extent) virtually every chemical compound and support practically every form of life means that drinking water supplies contain many substances in solution or suspension; additional impurities are derived during the drinking water purification process. Furthermore, unlike other raw materials, drinking water may vary significantly in purity both from one geographical region to another and from season to season.

In today's laboratories, the availability of pure water is essential, and while domestic consumers consider tap water to be "pure", laboratory scientists and healthcare professionals regard it as highly contaminated. Analytical and experimental scientists are concerned with elements and compounds at concentrations in the parts per billion (ppb) range or lower as many of these contaminants can have a negative effect on applications through their interaction with other substances, including the substance under analysis.