S. A. Modena samodena at
Thu Jul 29 12:24:46 EST 1993

In article <zxmkr08.743954505 at studserv> zxmkr08 at (Cornelius Krasel) writes:
>In <16C19F64A.60057923 at> 60057923 at (greg fraley) writes:
>>I have a mild curiosity as to why when one perfuses with paraformaldehyde
>>an animlas' fur turns yellow.  Is this just the nature of paraform or is
>>the fix actually moving into the hair follicle and this is the color of
>Certainly not the colour of paraformaldehyde, since this is a white
>solid. I would suspect that there is some chemical reaction going
>on (but have not the slightest idea which one).

Formaldehyde and other aldehydes spontaneously form linear polymers with
alternating double bonds with are colored lightly yellow to deep rusty
orange........for more info, trot over to your campus library and take a
look at a very old industry standard book titled "FORMALDEHYDE."  :^)

Steve   nmodena at

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