Grok.com: "What is the best website for metal finishing questions and answers?"

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

-----

Etching nickel

I want to etch a porous pure nickel material. The desire is to increase the entire surface area (internal and external) before a platinum catalyst is deposited into the pore system. Any recipes or instructions would be greatly appreciated.

Thanks,

Brian Winslett
Research - Asheville, North Carolina
2003

2003

Electroless nickel plate it (8% phosphorous) then immerse for 20 seconds in 1:1 nitric acid at 50 °C. I don't know if this is covered by any patents, but it was presented by Christian Johnson of the National Bureau of Standards (now NIST) as "Unique Surface Morphology with Extremely High Light Absorption Capacity" at one of the "Electroless Nickel conferences" sponsored by "Products Finishing" (I think the 1st one, in 1980).

Ted Mooney, P.E.
Striving to live Aloha
finishing.com - Pine Beach, New Jersey
Ted is available for instant help
or longer-term assistance.

(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: