Now this evening I have some time to post some scans of the writings done with my latest batch of iron gall ink (Urkundentinte or document ink):
I use a type of paper, that does not contain any bleaching agent and therefore you are able to see the inital blue much clearer. Most papers do contain bleaching agents, which rapidly forces the ink to premature to oxidise into a darkish tone or even to the final black of this ink.
Sorry for my not so nice writing, but I hope it will be clear to all. Note: the ink also seems to shade a bit, so this might be a plus for those loving shading inks.
First picture shows writing with both a fountain pen (cheap Papermate) ink and with a dip pen
The second picture shows the underlying black and final colour after full oxidation forced by treating the paper surface with some horizontal stripes with my ink killer pen (bleaching agent).
The lower writing is down with this very latest batch of my Urkundentinte in my tenacious writing Mont Blacn ink....guess what: it turns from a rather dry and very difficult writer into a rather wet and free flowing pen with my latest batch of Urkundentinte. I am completely pleased with this, because I never managed to get this pen to write well, not even with original MB ink (Midnight Blue)
About oxidiation: because of the optimized recipe (which I will keep secret
), the ink tends to maintain its initial blue much longer, even on papers containing bleaching agents, allthough the writing will become considerable darker minutes after drying.
Now how does this ink compared to my previous batch: have a look beneath. As you can see my older batch oxydises very quickly and becomes darker in such a way the inital bluish grey colour is completely covered by the ferrogallotannate pigment. The latest batch (upper line) still maintains a great deal of its initial blue colour from the dye agent. I think most people prefer this property of this ink, but over time the colour will be superseded with the black pigment colour.
Now the last picture shows the initial bluish grey colour of my previous iron gall ink compared to the more brighter blue of my latest batch on this unbleached paper:
Edited by pharmacist, 03 February 2012 - 21:55.