Well, it did develop a very strong TE but never went towards red.  The
violet just gradually faded away. It never went through a yellow stage
before going to violet either. [unless the phases were very brief and I
missed both phenomenon]
ken

At 12:20 PM 12/15/02 -0500, you wrote:
>Wow!  Well purple's (actualy violet's) complement is deep red, and red means
>the largest particles possible that still absorb in the visible spectrum.
So if
>the particles continued growing, the absorption would move into the infrared
>(wherease normally clear CS is absorbing in the UV), which means the CS would
>become clear again. But since the particles are very large, and the tyndall
>goes up with the fourth power of the size, it would have a very strong
tyndall,
>as long as it did not fall out.
>
>Marshall
>
>Ode Coyote wrote:
>
>>  Once again I made a batch of 24+ PPM CS, split it into two identical
>> containers and placed one on the kitchen counter [near a North side window]
>> and the other in the bathroom [in the center of the house].
>>  The portion on the counter went purple in 3 days, the portion in the
>> bathroom stayed Crystal clear.
>>  BUT, now...a week later... the portion on the counter is once again
>> without color. The only difference is a very heavy TE. It has been clearing
>> up over the past few days.  There is no dropout. Both containers have been
>> tipped up every day to dispense the CS.
>>  Wassup?
>>
>> ken
>>
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>