Nicole Small | One on One

Toning With Tannic Acid

Toning Cyanotypes is exciting and I have yet to discover the many ways this can be done. So far I have experimented with coffee and tea and between the two, I prefer using coffee as a toning agent.

 

 

 

My next experiments were with tannic acid. I have read a few articles about it and was happy that I was able to order it from B&H. There are other interesting compounds that I would love to give a try but unfortunately they will not ship to my location which really sucks.

For now I will work with whatever I have and can get my hands on.

 

 

 

 

My first test:

 

 

What I did was very basic:

  1.  immersed print in plain water for about 3 minutes
  2.  immersed print in bleaching bath for roughly 1 minute
  3.  immersed print back in plain water bath for 1 minute
  4.  immersed print in tannic acid bath for 30 minutes
  5. final wash

I found the tannic acid to be a little stubborn with this print or so I thought. I only saw a difference in color after it was hung to dry. This is by far my favorite one from my testing.

 

My second test:

 

 

What was done for test number 2:

  1.  immersed print in plain water for about 3 minutes
  2.  immersed print in tannic acid bath for 5 minutes
  3.  rinsed print for 5 minutes
  4. immersed print in bleaching bath for 5 seconds
  5. rinsed print for 5 minutes
  6.  immersed print in tannic acid bath again for 10 minutes
  7. final wash

I am somewhat happy with this one and will try this process again with an increase in time in the bleaching bath step.

 

 

Test 3:

 

What was done with test number 3:

  1.  immersed print in plain water for about 3 minutes
  2.  immersed print in bleaching bath for roughly 1 minute
  3.  immersed print back in plain water bath for 30 seconds
  4.  immersed print in tannic acid bath for 30 minutes
  5. final wash

I am not too sure about this one.

 

Here they are side by side:

 

 

Overall I think it was a good testing session. I definately will try the tannic acid again for toning.

 

 

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