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

-----

Need a chromated Anti tarnish treatment for Silver plated parts

We are looking for anti-tarnish treatment to meet the requirements of QQ-S-365 [from DLA] .

Mussadiq Hussain
Plating Shop - Sun Valley, California, USA
2005

How to test for Silver Anti Tarnish treatment?

RAJESH KUMAR
Plating shop employee - Singapore
October 18, 2011

"The Colouring, Bronzing & Patination of Metals"
by Hughes & Rowe
coloring_bronzing

on eBay or

AbeBooks

or Amazon

(affil links)

December 18, 2011

After silver plating, pls try
first, 4 gr/lt Na K tartrate
2x rinsing
5% acetic acid ⇦ this on eBay or Amazon [affil links]
2x rinsing
You will see difference or if it is not enough for you, you can go to electropassivation with 0.5 amp/dm2
regards

Dr. Halim Polat
- Istanbul, Turkey

I know what it is
how can I help you ?

Dr Halim Polat
- Istanbul, Turkey
January 8, 2012

(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: