My first crystallisation Caffeine

Images made through a microscope. All subject types.

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seta666
Posts: 1028
Joined: Fri Mar 19, 2010 8:50 am
Location: Castellon, Spain

My first crystallisation Caffeine

Post by seta666 »

Hi,

My first go at crystallisation, Caffein;. stacks of 7 images or so
BHT microscope with Nikon BD Plan 40/0.65 via direct projection on Sony NEX-5N
One 5000K bridgelux COB Led, Circular PL above source light, linear PL on Scope.
On the first two I forgot to add 50mm extension so corner quality was not that good and have some cropping. 3rd one has 50mm extension

Caffeine 1
Image
Large view

Caffeine 2
Image
Large view

Caffeine 3
Image
Large view

I would like other suggestions on easy to get things to crystallise, because this is fun..

Javier

Harald
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Re: My first crystallisation Caffeine

Post by Harald »

Hi Javier,

One thing to try is stevia mixed with urea dissolved in water

Makes som amazing crystals

viewtopic.php?f=14&t=42997

All the best from Norway
Kind Regards
Harald

Lier Fotoklubb / NSFF
AFIAP / CPS
BGF / GMV
http://www.500px.com/blender11

seta666
Posts: 1028
Joined: Fri Mar 19, 2010 8:50 am
Location: Castellon, Spain

Re: My first crystallisation Caffeine

Post by seta666 »

WOW, nice one ..thanks

dhmiller
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Re: My first crystallisation Caffeine

Post by dhmiller »

Have a look at the Facebook Crystal Art group. Great images and good resources in the file section, including a large list of birefringement compounds. BHT, Beta Alanine, Urea, Thiourea...

seta666
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Joined: Fri Mar 19, 2010 8:50 am
Location: Castellon, Spain

Re: My first crystallisation Caffeine

Post by seta666 »

Thanks, I found it. Will look into it

jurkovicovic
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Re: My first crystallisation Caffeine

Post by jurkovicovic »

Do you have any advice on how to start with this?
It's quite interesting.
canon EOS *

seta666
Posts: 1028
Joined: Fri Mar 19, 2010 8:50 am
Location: Castellon, Spain

Re: My first crystallisation Caffeine

Post by seta666 »

I am just starting with this too so I can not give much advice. The facebook group Dhmiller suggested is full of examples

This is just caffeine dissolved on a microscope slide looked through crossed polarizers; to me the biggest problem seems to find chemicals in pure form without having to buy a kilogram ..

jurkovicovic
Posts: 58
Joined: Sun Jul 16, 2017 11:16 am

Re: My first crystallisation Caffeine

Post by jurkovicovic »

I have a polarizer built, it looks like it works. I'm waiting for the fumes and I'll let you know if I have an output :)
Thanks.
canon EOS *

dhmiller
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Re: My first crystallisation Caffeine

Post by dhmiller »

Loudwolf has fairy small batches - find on Amazon or direct. Also try Etsy for some things...


Dextrin / 4 Ounce Bottle / 100% Pure Food Grade/Fine Powder/USA

Sodium Thiosulfate, Fine Crystals, 99.5% min, 500 Grams (1.1 lb.)

HiMedia GRM822-100G Hydroquinone, 100 g

Humco 272730001 Sodium Silicate Solution 30 oz, Shape


Sodium Saccharin / 4 Ounce Bottle / 99.9% Pure USP Food Grade/Fine Crystals/USA


Loudwolf Sulfamic Acid/Fine Powder / 4 Ounces / 99% Pure/Ships Fast from USA



Sodium Silicate / 4 Fluid Ounce Bottle / 99.9% Pure Reagent Grade / 41% Solution/USA

seta666
Posts: 1028
Joined: Fri Mar 19, 2010 8:50 am
Location: Castellon, Spain

Re: My first crystallisation Caffeine

Post by seta666 »

dhmiller wrote:
Tue Apr 06, 2021 3:42 pm
Loudwolf has fairy small batches - find on Amazon or direct. Also try Etsy for some things...

Thanks, but I do not know if some of these chemicals are regulated and will go through customs OK, maybe is better I buy them in Europe? Any similar source?

jurkovicovic
Posts: 58
Joined: Sun Jul 16, 2017 11:16 am

Re: My first crystallisation Caffeine

Post by jurkovicovic »

Promised output.
I can't judge if there's enough detail in the picture.
However I am satisfied - first try + DiY "polarizer"
FOV 6mm, Lomo 3,7x, 2x led, transmitted light, APSC.
http://wildlifefotoforum.cz/download/fi ... zorek1.jpg
http://wildlifefotoforum.cz/download/fi ... zorek2.jpg
100% crop, edited, sharpened...
http://wildlifefotoforum.cz/download/fi ... w/100C.jpg
canon EOS *

seta666
Posts: 1028
Joined: Fri Mar 19, 2010 8:50 am
Location: Castellon, Spain

Re: My first crystallisation Caffeine

Post by seta666 »

Nice crystals, what is it?

jurkovicovic
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Re: My first crystallisation Caffeine

Post by jurkovicovic »

Citric acid, mixed with water and slowly evaporated.
canon EOS *

dhmiller
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Re: My first crystallisation Caffeine

Post by dhmiller »

maybe is better I buy them in Europe?

Sorry. I don't know any European sources.

seta666
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Joined: Fri Mar 19, 2010 8:50 am
Location: Castellon, Spain

Re: My first crystallisation Caffeine

Post by seta666 »

dhmiller wrote:
Wed Apr 07, 2021 6:28 pm
maybe is better I buy them in Europe?

Sorry. I don't know any European sources.
Do not worry, I found some.
With the right names to look for and possible combinations is more than enough
Thanks!!

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