Re: HIE and Xtol, ghost of an image?

[Ken Evans <kenevans@xxxxxxxxxxxxxxx>]

Tim Rudman wrote:
> 
> -----Original Message-----
 
> You are absolutely correct, it is never wise to subdivide mixed powders -
> only pure ones
> Tim

I have not really been paying that much attention to this thread;
however, I can offer some possible helpful information.  Tim is
absolutely correct, with regard to pre-mixed compounds.  Without some
lab equipment, you cannot get consistant partial mixes in solution.

Since the two things that will cause a mixed solution to go bad are
oxygen and light, what I do is mix the entire compound to solution,
making sure that I have a good mix and dissolve.  Then I seperate the
solution into a number of small opaque glass containers, which can be
completely filled and tightly sealed.  Clearly marking each as to
contents, I store the extra containers in a cool (heat is a bad guy
too), dark place until needed.  Do this in your sink, so that you can
overfill the containers.....sealing out all oxygen.  I never have any
problems with this method of mixing and storing excess chemicals.  

BETTER LIVING THROUGH CHEMISTRY

Ken
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