Laboratory Products
Maintaining an Environmentally-Friendly Pure Water Supply
Apr 22 2010
Author: Julie Akana
Applications ranging from everyday lifescience procedures, through to complex automated drug discovery, require highly purified water. This is essential to ensure that analytical detection limits are optimised and
reproducible results are obtained every time. The production of laboratory water is therefore a very important process that will, desirably, combine the effective elimination of specified contaminants, with efficiency and cost-effectiveness as well as being environmentally friendly.
EFFECTIVE PURIFICATION
Impurities in laboratory water can adversely affect experimental results in many ways. As such, the water needs to be free of contaminants, which can include pyrogens, organic or ionic compounds, bacteria and nucleases. There are six major technologies that can be used to purify water of such inclusions: filtration; adsorption; ultraviolet radiation; distillation; reverse osmosis; and deionisation (see Table 1 for more information). Pure water systems use a combination of these technologies as different experimental processes require various levels of purity. As a result a wide range of systems are available to match these broad requirements.
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