Chuna


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Posted by txilar on October 8, 2002 at 14:41:45:

In reply to: what I did.......please read everyone who loves theire henna red posted by Erfan on October 7, 2002 at 04:30:38:

I've used chuna a lot in my henna work and have found that it
definitely makes an immediate strong change in the colour. I'm
betting that it reacts differently to different hennas, though I'm
really not sure what it reacts with- the henna or other ingredients.
I have also noticed that it seems to quicken the demise *or* halt the
24-48 colour progression that is natural. I've been meaning for
sometime to photo-document this but... never do/did/have.

I had one design on the palm of my hand (no pics sadly) and covered
half with chuna and left half alone. The chuna side, upon washing
off, was immediately darker and leaned toward a reddish brown (I too
have noticed a tendency toward reds with chuna- that's part of what
makes me wonder what it is reacting with). The other side was pale-
ish pumpkin. A day or so later, the pale pumpkin was dark cinnamon-y
sienna and the chuna side was about the same colour it had been, but
not nearly as dark as the non-chuna side. The fade was gradual and
about 4-5 days later both were an even pale pumpkin and the rest of
the demise was about the same.

As for what chuna actually is, I am really not sure. Thus, I can't
really vouch anything on the safety of the stuff. I'd just use it
carefully and keep it relegated to hands and feet. Kapur is another
term, Indonesian, for the same thing. I see some places it is termed
as slaked lime (calcium hydroxide), a very common cooking ingredient.
Other references have termed it as calcium carbonate. I'm kind of
guessing that's the difference between liquid and powder form. If you
get it in powder form, be really careful as the stuff gets
*EVERYWHERE* It also gets on everything, even if you think you've
kept it very well. I find it much more manageable in liquid form but
it seems to go bad after a while, or at least, it gets stinky.

References:
from http://www.rocksandminerals.com/finder/A9.HTM
/Slaking/ is a chemical term for mixing a substance with water, as in
the process of slaking lime to create slaked lime.
*note from txilar- this is a violent process creating heat and
energy, so please don't try slaking yourself!

CHUNA, chalk.
CHUNA Ordinary slaked lime (not the fruit)
edible lime (chuna used in paan)
Slaked Lime (kapur sirih): A paste obtained by grinding sea shells
in a little liquid. This is the lime which is chewed with betelnuts,
gambir and tobacco.

calcite, is one of the most common minerals on the face of the Earth.
it's chemical name is calcium carbonate and refers to naturally
occuring limestone.
aragonite, is a polymorph (meaning same thing but looks different) of
calcite and is found in sea shells and sea creatures shells (note the
kapur description)
calcium oxide is quicklime
calcium hydroxide is slaked lime

: At firsd I apologize for the bad imagige!I wasnīt careful with
: wrapping neither.......BUT what I wanted to show you,is what chuna
: did for me!
: I used navaidīs henna,mixed with lime juice andf sugar.I applied it
: to my palm 6 hours later and wrapped it.7 hours after wrapping I
: scraped the henna-paste off and started to "dip" my palm in chuna
for
: a good 10 minutes.Usually navaidīs henna gives me really DARK brown
: or BLACKS.
: BUT what the chu8na did for me,is that it changed the colour into a
: BEAUTIFUL reddish colour!!!!!
:
: So i guess that chuna helps gettinmg reds!
:
: Erfan

 


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