Ode Coyote wrote:
No color, yellow, violet, red, green.
I've made em all but green.
You can't get green, because the absorption band broadens once you get
to the red (pink) so it is still absorbing yellow (complement of red)
when it goes to orange and yellow, producing brown.
I have posted the absorption curves for silver sols at
http://silver-lightning.com/cs-curves.jpg
Marshall
Has little to do with PPM, that is, no direct connection to a specific
PPM.
Very strong is just 'more likely'
Ode
At 12:17 PM 9/17/2008 +0930, you wrote:
Hi All,
Yep, I'm back! Assume everything has settled down so I thought I
could come out of hiding...joking of course...<g>
Perhaps someone could give me the colour ranges of LVDC CS, starting
with clear and progressing through the colour changes after that?
Except 'black', don't bother with 'black' as I'm never going to go
that far. My research states 'yellow' is always the first colour
which becomes apparent when producing colloids. I have researched
some information but prefer a personal appraisal.
I am using Pure Water at the moment as the supermarket I usually get
my Distilled Water from is closed for refurbishment. Can't say I'm
happy with Pure Water though, even though I got it from the chemist
'cos this is what they use in making up medications so I figured it
should be pretty much the best that is available for the man, oops,
and woman in the street. I have never had colour changes using DW in
the past but with this PW the colours I have got are...clear, yellow
and 'pink-ish'. I have been starting to add a quantity of previous
batches of CS also and believe this could be the reason for the
colour changes, even though I use the same method of production and
time frame, (don't ask me why though, and I am aware of 'seeding' the
water). I don't usually add previous CS as a 'seed', I just use the
water straight out of the bottle. The ambient temperatures are
starting to increase here due to seasonal change so the reason could
be simply that, but somehow I doubt it. Every other time I have made
CS in the past it has always been clear, hovering around the
10-15ppm, (give and take depending on what ppm I decide I want at the
time), so have decided to stick with Distilled, I definitely won't
consider Demineralised.
These results are the reason for my question about colour changes.
Enn...dem...err...preferably under 1000 words? <g>
Just simple colour changes will suffice. A 'concensus of opinion'
regarding the ppm of each colour would also be helpful, so I can do a
comparison with my meter tested results. If your ppm results is with
the use of the Com 100 TDS/EC/TEMP meter or Hanna TDS 1 'ppm...?'
meter, perhaps you could include that also so I know what meter to
use, (I have both), OH, and I will need to know what setting the Comm
meter is set on. I also know about the use of meters in testing
'ppm' when they are basically only conductivity meters but if I use
the same setting as you then I will be far better able to make my
comparisons. Information I have states the Com 100 meter should be
set to either EC/KCl or Nacl for colloidal silver. Don't bother with
water temperature as I haven't checked my water temperatures
before/or during production anyway, I'll just 'read between the
lines' so to speak, it's only to give me a fairly good idea that's
all, to narrow down the 'guesswork' without laboratory testing, (cash
and the lack thereof).
You see, I know that there are several of you here that have been
'into' CS for quite some time so thought I would ask you 'straight
up'. This way I will know 'straight from the horses mouth' so to
speak, and it can be considered more 'trusted and reliable'.
Neville.
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9/16/2008 7:06 PM
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