Re: HYB: pigments
- Subject: [iris-photos] Re: HYB: pigments
- From: "irischap" <firstname.lastname@example.org>
- Date: Thu, 07 Oct 2004 00:32:07 -0000
After experimenting with various oils I settled on clear lamp oil. Its
light and has no intrinsic colour to confuse results and is cheap and
readily available. Also no emulsion reactions with methyl hydrate
(paint thinner alcohol) which can confuse results. Resulting mash
should be filtered. I use coffee filters. Cheap and readily available.
If you are not sure about what you are getting try using different
original solvants. That is mash up in distilled water for first try.
Another petal in alcohol and possibly a third one in oil at first
allthough this is a bit heavy so doesn't filter as well. Then mix
solution with an other solvent and shake well. The solvants I use
work well together. I never would use cooking oil. Too heavy, has
emusions with a lot of alcohols and has a tint which makes it hard to
properly view extracted pigment.
You might try water extraction with Harevest of memories and then
filter and then mix with oil and shake. There is a water based yellow
pigment ( a flavanoid) there as well as an oil based yellow pigment..
--- In email@example.com, Linda Mann <lmann@v...> wrote:
> Seedling IMCS-1 ("Cloud Shadows") (IMMORTALITY X CELEBRATION SONG) and
> extracted pigments from left to right: HARVEST OF MEMORIES, IMCS-1, and
> VIOLET MIRACLE.
> The water soluble pigments (blues & purples) are in the bottom of the
> jars, with the oil soluble pigments (pinks and yellows) on top.
> The extractions for HARVEST OF MEMORIES and VIOLET MIRACLE came out as I
> expected - yellow pigment in the upper oil layer for HOM and purple
> pigment in the lower water/alcohol layer for VM.
> This is NOT what I expected for my seedling! The falls are rosy
> lavender, and look pink when the light hits them just right, but they
> also look like they have some blue pigment. I thought I would maybe see
> blue pigments in the bottom with some pink in the oil layer, or maybe
> all the pigment in the bottom water/alcohol layer, the "pallida pink"
> that is actually pinkish lavender that I keep hearing about.
> Chuck, I hope you are still there - does this mean that there are
> pigments that are oil soluble that look sorta purple??
> Also, the water/alcohol extraction layer isn't clear, like it is for
> HARVEST OF MEMORIES - it is opaque, white looking.
> That was fun - even tho I am now more confused than ever <g>
> Linda Mann east Tennessee USA zone 7/8
> East Tennessee Iris Society <http://www.korrnet.org/etis>
> American Iris Society web site <http://www.irises.org>
> talk archives: <http://www.hort.net/lists/iris-talk/>
> photos archives: <http://www.hort.net/lists/iris-photos/>
> online R&I <http://www.irisregister.com>
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