Hobbyists & Industry luminaries alike learn on every visit
(we earn from 'affiliate link' purchases)

Curated with aloha by
Ted Mooney, P.E. RET

finishing.com -- The Home Page of the Finishing Industry

  The authoritative public forum
  for Metal Finishing 1989-2025

-----

Raise pH in Trivalent Chromium

What is the procedure to raise the pH after Hexavalent Chromium is converted to Trivalent Chromium. We need a pH of >7 to process through the Atmospheric Evaporator.

Dave Jackson
G.M. - Miami, Florida, U.S.A.
2004

There may be a deeper question in your mind that I'm missing, Dave, but you simply add caustic, lime, magnesium hydroxide, or the alkali of your choice.

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
2003

(No "dead threads" here! If this page isn't currently on the Hotline your Q, A, or Comment will restore it)

Q, A, or Comment on THIS thread -or- Start a NEW Thread

Disclaimer: It's not possible to fully 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 might be harmful.

If you are seeking a product or service related to metal finishing, please check these Directories: