Double distilled water: Difference between revisions
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#REDIRECT [[Purified water#Double distillation]] |
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'''Double distilled water''' (abbreviated "ddH<sub>2</sub>O" 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]]. |
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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. |
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Modern molecular biology labs typically use water purification systems such as [[Milli-Q]] (by [[Millipore (company)|Millipore]]) to create ultra-pure water. |
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==See also== |
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*[[Distilled water]] |
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*[[Deionized water]] |
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{{chem-stub}} |
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[[Category:Liquid water]] |
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[[Category:Distillation]] |
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[[pl:Woda redestylowana]] |
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pH of distilled water will be 6.0, it is because of dissolved carbon dioxide(CO2. when water is distilled CO2 will evolve and condenses back into the water. |
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Latest revision as of 10:41, 29 April 2018
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