Caffinol

[Markok765]

Can somebody tell me the recipie for caffinol, caffinol-c and caffinol plus?
also development times for tri-x?
what results will i achive?

 

[blaze-on]

Did you try using the search feature?
(there was a url link here which no longer exists)

 

[marcsv]

http://www.digitaltruth.com/techdata/caffenol.php

 

[titrisol]

Look inthe recipes section
or google caffenol aka caffeinol

Tri-X should be done in 45 minutes or so, and you can expect pictures on your film

 

[Jim Noel]

Actually you don't really need a formula.
Just make a pot of coffee and leave it on the warmer for a few hours. Let it cool and put the Tri-X in it for about 45 minutes.
The negative will be thin, but print beautifully.

 

[Alicouscous]

Don't forget to add sodium carbonate in your coffee ^^

 

[removed account4]

can't be good coffee either. arabaca beans are too good, you need
instant-gut-rot ( read: rubusto beans ) ...

 

[DBP]

You're a bit young for coffee, so don't drink it, just put film in it.

 

[Markok765]

You're a bit young for coffee, so don't drink it, just put film in it.

I like espresso,
would espresso increase film speed?

 

[David A. Goldfarb]

I think it was Patrick Gainer who figured out that the caffeine isn't relevant to the activity of the developer, but on the other hand, espresso might have a more concentrated level of whatever is the developing agent.

When I tried it I used some old instant coffee that had been in the back of a drawer in my office for probably more than 10 years.

 

[Lee L]

Look inthe recipes section
or google caffenol aka caffeinol

... and I recall seeing it referred to as folgernol.

Lee

 

[Steve Smith]

You're a bit young for coffee, so don't drink it, just put film in it.

What?... People actually drink that stuff?...... No thanks, I'll stick to tea!


Steve.

 

[marcsv]

I think it was Patrick Gainer who figured out that the caffeine isn't relevant to the activity of the developer, but on the other hand, espresso might have a more concentrated level of whatever is the developing agent.

When I tried it I used some old instant coffee that had been in the back of a drawer in my office for probably more than 10 years.

could tannic acid (tannin) be the developer for this one?

 

[Steve Smith]

I have only tried Caffenol once (last month) with a roll of FP4+ and I was surprised at how good it was. Whilst it would not replace my usual developer, If I had a roll to process and I realised I had run out of 'normal' developer, I would definately make up some Caffenol.


Steve

 

[Stephanie Brim]

Caffenol is fun to play around with, but don't expect to use it as a regular developer. It takes too damn long to soup anything in it. I'm going to try stand developing some Tri-X in it within the next couple of days. I'm curious to see how well that works.

Edit: Or well, semi-stand. I'm going to try for 85 minutes with agitation every 5 minutes.

 

[BrianShaw]

Edit: Or well, semi-stand. I'm going to try for 85 minutes with agitation every 5 minutes.

I need ro read up on this, but it sounds a simple as dropping a roll of film into a Starbuck's Vente Latte (no whip) and taking a sip every few minutes

 

[Lachlan Young]

Caffenol is fun to play around with, but don't expect to use it as a regular developer. It takes too damn long to soup anything in it. I'm going to try stand developing some Tri-X in it within the next couple of days. I'm curious to see how well that works.

Edit: Or well, semi-stand. I'm going to try for 85 minutes with agitation every 5 minutes.

How about doing one of William Mortensen's experiments which was to develop the film for a week or more or "until just before the emulsion falls off" !!!

Have fun,

Lachlan

 

[Stephanie Brim]

Heh. Not quite...but mmm...latte.

I'm going to do this two ways, actually. I'm going to use regular Caffenol-C made with washing soda for half the roll and then Caffenol-C made with baking soda for the other half. I figure that it would be an interesting experiment within an experiment. I love experimentation...it's what makes black and white photography so great.

 

[Steve Smith]

I'm going to use regular Caffenol-C made with washing soda for half the roll and then Caffenol-C made with baking soda for the other half.

I think I read somewhere that if you use baking soda, you need to use about twice the quantity.

Steve.

 

[DBP]

I think it was Patrick Gainer who figured out that the caffeine isn't relevant to the activity of the developer, but on the other hand, espresso might have a more concentrated level of whatever is the developing agent.

That would explain why my Diet Mountain Dew experiments have been largely unsuccessful so far. I wonder if the slight activity I did get was from the caffeine or the (buffered) ascorbic acid.

BTW, it's scary how hard it is to raise the pH on Mountain Dew. I'm glad I don't drink the stuff. The color also seems to be pH sensitive.

 

[David A. Goldfarb]

could tannic acid (tannin) be the developer for this one?

Could be. Speculation has pointed toward catechol or some variant thereof. It produces negs that look a lot like ABC pyro negs, but with less contrast.

 

[Stephanie Brim]

Hrm. I wonder what upping the soda content would do...

*mad scientist hat*

 

[Black Dog]

A previous article in the old UK Darkroom user magazine mentioned using coffee as a film dev, and that catechol is one of the chemicals in roasted coffee-handy!