Electronics Forum | Thu Apr 02 10:06:51 EDT 2020 | stephendo
If you can find some, you might want to give Adipic Acid a try. It is a powder but I have seen it work well.
Electronics Forum | Fri Sep 12 16:56:13 EDT 2008 | ppcbs
We have a double sided board with Immersion Silver Plating. After reflow the Silver turns a yellowish color. It still wets good, and the yellow color will polish off with a pencil eraser. Has anyone seen this, or know the cause?
Electronics Forum | Wed Apr 06 15:32:11 EDT 2022 | proceng1
I spoke with a Tech at Superior Flux. He confirmed that Superior 515 will absoluteley turn yellow at room temp. Hydrobromic Acid in the flux, as it binds the hydrogen gases off and the bromine turns yellow. What is weird, is that Tin Bromide is y
Electronics Forum | Mon Oct 02 14:59:42 EDT 2023 | joeljacobo
Thank you!
Electronics Forum | Mon Oct 02 15:01:14 EDT 2023 | joeljacobo
Thank you Dave, I will check it out
Electronics Forum | Mon Sep 25 15:32:21 EDT 2023 | joeljacobo
hello colleagues, Hoping that everyone is doing well, I am reaching out to you in the hope that your experience can help me. We have a wave solder with sac0307 alloy and the pot has turned a golden color, at first I thought it was common tin oxidat
Electronics Forum | Sat Aug 23 02:52:09 EDT 2008 | mulder0990
What part of the process is it turning yellow in? That will give more help defining the problem.
Electronics Forum | Fri Aug 22 10:01:52 EDT 2008 | robinj
I have seen this problem before. If the color is yellow usually it is caused by moisture left on the boards from poor drying after immersion silver. One of the ways to get rid of this is by dipping in acid cleaner solution. If the board supplier uses
Electronics Forum | Fri Sep 12 17:07:05 EDT 2008 | davef
While you're waiting for others to reply, check these recently posted threads on discolored immersion silver [IAg] here on SMTnet: * http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Message_ID=56220 * http://www.smtnet.com/Forums/Index.cfm?CFApp=1&Mes
Electronics Forum | Thu Mar 06 13:12:55 EST 2008 | shrek
KRIKIES Chunks me-lady. Yellow toe-nails with tree rosin will definitely sodder that there immersion silver. Sounds like i have met me match. Who is this fella with the toe-nails?
