[AJD] anti freeze

[Wiebelhaus]

As Mr. Bond would say: shaken - not stired.

JDNut at aol.com wrote:

>Interested parties??
>
>I almost hate to prolong this thread, but both views may be materially 
>correct.  Putting antifreeze on top of water is one experiment, but water on top of 
>antifreeze would be a different experiment.  Given that the density of 
>ethylene glycol is 1.1 g/mL, while the density of water is 1.0 g/mL, putting the 
>denser ethylene glycol on top of water would probably mix faster by diffusion than 
>water on top of antifreeze, especially if the channels are narrow in the 
>radiator, etc.   Of course my true chemist colleagues would be glad to tell you 
>that biochemists know just enough chemistry and enough biology to be dangerous.  
>Some of my tractors spend their winter in the cold country, I premix 50-50 
>before putting it into my thermosiphon tractors just to be sure.  
>
>Take care, John Maxwell
>Santa Maria CA
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