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Anhydrous

Anhydrous

(Science: chemistry) a substance deprived or destitute of water.


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Denatured alcohol

Can denatured alcohol (90% ethanol, 5% methanol and 5% 2-propanol) generally be used in place of 100%/anhydrous ethanol? In QIAGEN kits it specifically says not to use denatured alcohol when making up Buffer PE but what about other things in general? Like fixing cells with ...

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by biznatch
Mon Jul 07, 2008 9:34 pm
 
Forum: Molecular Biology
Topic: Denatured alcohol
Replies: 3
Views: 997

Making a 100mM solution...

... V has to be in L (50 ml = 0.05 L) or you won't get the correct answer--those pesky orders of magnitude again, but for different reasons. For the anhydrous salt it works out to 0.4 g rounded off to the nearest tenth of a gram. I said to put the volume in liters. ;-) And I really suggest the original ...

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by canalon
Thu Dec 06, 2007 7:12 pm
 
Forum: General Discussion
Topic: Making a 100mM solution...
Replies: 6
Views: 1253

Making a 100mM solution...

... V has to be in L (50 ml = 0.05 L) or you won't get the correct answer--those pesky orders of magnitude again, but for different reasons. For the anhydrous salt it works out to 0.4 g rounded off to the nearest tenth of a gram.

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by blcr11
Thu Dec 06, 2007 7:07 pm
 
Forum: General Discussion
Topic: Making a 100mM solution...
Replies: 6
Views: 1253

The Fiber Disease

... largely from comets and asteroids, are complex assemblages of various primitive solar system materials. Chondritic porous IDPs are dominated by anhydrous minerals, in contrast to chondritic smooth IDPs that are composed predominantly of hydrated layer lattice silicates. While specific parent ...

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by Skytroll
Sun Sep 24, 2006 5:51 pm
 
Forum: Human Biology
Topic: The Fiber Disease
Replies: 7403
Views: 748699

Silica

... so as to prevent/ minimise food spoilage) as it absorbs water readily due to it's high porosity. They also often come with an 'indicator' (e.g. anhydrous cobalt II chloride) which has a different colour when anhydrous, and when hydrated

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by chemistry_freako
Sun Jul 10, 2005 3:02 pm
 
Forum: General Discussion
Topic: Silica
Replies: 3
Views: 924


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