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High-Q, Inc. updates this page frequently as new articles become available and others are revised – Stop back often. |
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Glossary of Water Terms; (Edition 11) [05/25/04] View / Print >> Screen/Printer-quality version [450 Kb] Summary: A convenient, but extensive, glossary of the terms commonly used in relation to reagent-grade water and its preparation. |
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Design of Laboratory Water Still Systems; (Edition 7) [07/15/01] View / Print >> Screen-quality version [500 Kb] or Printer-quality version [1.6 Mb] Summary: Distillation is the most practical means of preparing consistently pure reagent-grade water on a laboratory scale. This is the case, because distillation is extraordinarily effective at removing all types of contaminants, does not add new contaminants, requires no expendables and little maintenance, and is easily monitored. By comparison, systems based on cold-water purification technologies are expected to suffer from the frequent failure and exhaustion of expensive components. And at the current cost of equipment and supplies necessary to adequately monitor cold-water systems, it is completely impractical to adequately monitor laboratory-scale systems. Using the High-Q 103S still and 103C containers as examples, this article discusses the basic elements of laboratory water still system design and explains how these elements affect the purity of the product water. |
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