Double distilled water: Difference between revisions
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Dead links and, aside from that, it is simply a corporate website that sells distlillation shtuff. It isn't informative beyond the benefits of their particular hardware vs. others. |
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==See also== |
==See also== |
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*[[Distilled water]] |
*[[Distilled water]] |
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*[[Deionized water]] |
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==External links== |
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[http://www.millipore.com/labwater/site.nsf/docs/milli-q Official Milli-Q website] |
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Revision as of 23:27, 15 December 2005
Double distilled water (abbreviated "ddH2O" or "Bidest. water") is prepared by double distillation of deionized water. It is used, among other things, when single distillation does not lead to sufficiently pure water for some applications in biochemistry.
Bidest. water is used when pure, sterile water is essential. Whereas distilled water is enough for most chemical reactions, a molecular biologist attempting to create sterile, enzyme-free media might use bidest. water to ensure sterility.
Modern molecular biology labs typically use water purification systems such as Milli-Q (by Millipore) to create ultra-pure water.
See also
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