Electronics Forum | Wed Oct 19 15:55:51 EDT 2011 | paola
Does anyone know how to comply with the requirement on conflict minerals being an electronic component distributor?
Electronics Forum | Sun Oct 23 14:22:11 EDT 2011 | davef
Here's what we know: http://www.ipc.org/ContentPage.aspx?pageid=Conflict-Minerals
Electronics Forum | Thu May 24 23:07:55 EDT 2007 | colormaker
Our filter removes all contaminates authou it takes forever to evaporate 20 gallons it work quite well. I will check with local water supply for mineral analysis. Will a water softener remove the minerals that may be causing the problem ?
Electronics Forum | Wed Aug 31 03:32:05 EDT 2005 | edgetech
Thanks for the input guys. I was thinking the minerals found in tap water may cause the components to short/malfunction
Electronics Forum | Mon Oct 01 10:12:36 EDT 2007 | russ
use some mineral oil on the threads, and take the screws out hot if you can Russ
Electronics Forum | Tue Jul 29 05:04:20 EDT 2003 | gregoryyork
Dear adam Sounds to me like it may not be Salt water contamination or even flux residue's, as both of these are commonly cleaned semi aqueosly or with IPA. Have you considered it may be Talcum powder used as fillers in solder resist, mineral salts
Electronics Forum | Mon Mar 29 11:49:44 EST 2004 | gregoryyork
White residue, probably nothing to do with the flux but was more than likely mineral salts from resist cure problem that are only soluble in Mineral Acids. No residue is the best IF resist is good, if resist issue's use low solids Rosin No Clean and
Electronics Forum | Thu Dec 08 22:25:23 EST 2005 | davef
Grant Copper Oxide [Cu2O]: Color is red to a deep red that can appear almost black. Luster is adamantine or submetallic to dull or earthy if massive. Transparency: Crystals are transparent to translucent. Look here: http://mineral.galleries.com/min
Electronics Forum | Thu May 24 22:56:42 EDT 2007 | davef
We'd guess that your white residue on the solder is from minerals in the supply water. We expect the levels of these minerals that you see: * Vary depending on the season. Check with your public water authority for anaylsis. [Recognize that this ma
Electronics Forum | Thu Oct 04 09:35:51 EDT 2007 | pbxtech
Thanks Jon! Good to know! I don't think my iron is ever set at 300*C, haha :), so mineral oil is probably not my best bet. I'll try getting some of that copper grease.
