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checkrail
March 19th, 2014, 05:20 AM
Nothing I have ever read has answered this question, but I am sure many people here will be able to say:
Do modern commercial, as distinct from amateur or boutique, manufacturers still use actual plant galls or do they use industrial chemicals?
Kindest regards
Timothy

gweddig
March 24th, 2014, 11:33 PM
Since nobody has answered yet, I will go out on a limb and day that yes I expect commercial IG ink components are chemically derived. (Those who know more than I will correct me!)
I have made some inks and assume the level tannins in the galls vary based on species, location, age of tree etc.
Having a repeatable recipe would be important.
More information:
http://irongallink.org/igi_indexd7ce.HTML

--greg

checkrail
April 12th, 2014, 02:08 PM
Thanks very much for the useful information.
Kindest regards
Timothy