Sound technical content, curated with aloha by
Ted Mooney, P.E. RET
Pine Beach, NJ
The authoritative public forum
for Metal Finishing since 1989
-----
Testing silver plate with sulfurated potash
I work with a company that warehouses and distributes jewelry. A customer said that they are testing silver plated jewelry with a 2% sulfurated potash test with a 2 minute dip and see if the silver plate tarnishes. Does anyone know what the chemicals are and the mix is of a 2% sulfurated potash.
Gary M. Coken- Warwick, Rhode Island
2003
2003
Sulfurated potash aka liver of sulfur ⇦this on eBay or Amazon [affil links] has been used for generations to make silver black for an antique finish. Your customer must be testing to see if the items have been properly lacquered or other wise protected from tarnish.
Neil BellRed Sky Plating
Albuquerque, New Mexico
(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
Q, A, or Comment on THIS thread -or- Start a NEW Thread