-- The Home Page of the Finishing Industry
A website for Serious Education, promoting Aloha,
& the most FUN smiley you can have in metal finishing

topic 2132

Formic acid (1%) as a pre-plate acid dip?


The lastest issue of Parts Cleaning magazine had an interesting article in it about the use of 1% formic acid in an application whereby "contaminants" could be removed from metals...and a "simple" hydrogen peroxide treatment would serve to remove those, allowing re-use of the solution. The system was designed for use in the recovery of radioactively contaminated metals from the nuclear processing industry...going by a patented name "Decofor". Or at least that application is patented. formic acid a viable acid dipping product. It would seem that it might be especially useful in removing oxides, rust, surface lead contamination etc. At a 1% concentration it would seem to be much easier to deal with from an environmental standpoint, than stronger % HCl, HNO3 or other pickling acids. It seems that formic acid is a fairly nasty customer with respect to human health issues, and has a pungent odor (however at 1% it may be nil). Do you have experience with this material, and would it be worth investigating further. The ability to peroxide treat and re-use seems positive, from a the standpoint of "waste minimization".

Mike Solvie

This public forum has 60,000 threads. If you have a question in mind which seems off topic to this thread, you might prefer to Search the Site

ADD a Q or A to THIS thread START a NEW THREADView This Week's HOT TOPICS

Disclaimer: It's not possible to diagnose a finishing problem or the hazards of an operation via these pages. All information presented is for general reference and does not represent a professional opinion nor the policy of an author's employer. The internet is largely anonymous & unvetted; some names may be fictitious and some recommendations may be deliberately harmful.

  If you need a product/service, please check these Directories:

JobshopsCapital Equip. & Install'nChemicals & Consumables Consult'g, Train'g, SoftwareEnvironmental ComplianceTesting Svcs. & Devices

©1995-2017     -    Privacy Policy
How Google uses data when you visit this site.