Tin Pest in Scandinavian Church Organ Pipes
Annika writes: Dear Dr. Ron, I’m a chemist and a PhD student working in the field of atmospheric corrosion of lead and lead-tin alloys in histor...
Annika writes: Dear Dr. Ron, I’m a chemist and a PhD student working in the field of atmospheric corrosion of lead and lead-tin alloys in histor...
Folks, I read with dismay this week, an advertisement in an electronic assembly trade journal touting a “drop in” solder paste. The solder...
Folks, Recent work and teaching has caused me to reflect on several interesting properties of alloys. Alloying typically: 1. Lowers the melting temper...
Folks, Several companies have developed hand held units to aid in screening for RoHS compliance Let me start off by saying that I think such a unit wo...
Eric writes: Dr. Ron, I have an application that uses a high melting point solder. The solder has more than 85% lead. Is it exempt from RoHS? Eri...
Chuck writes: Dr. Ron, I make ceramic modules, so I am assuming that I am excepted from RoHS (See Annex 4.) My ceramic models use lead containing sold...
Folks, I am here at APEX in sunny (?) LA. Show attendance appears to be high despite the rainy weather. The theme of the show: Lead-free. This sho...