How? What would drive such a reaction? It is sound waves in a liquid medium. Not something that typically promotes chemical reactions.Reaction with two different metals.
Isn't LemiShine citric acid? If so, I'm guessing you had a galvanic (electrical) reaction between the copper/zinc in the cases and the steel die.How? What would drive such a reaction? It is sound waves in a liquid medium. Not something that typically promotes chemical reactions.
YES ! lemishine is Citric Acid ! RJIsn't LemiShine citric acid? If so, I'm guessing you had a galvanic (electrical) reaction between the copper/zinc in the cases and the steel die.
Where would the power (electricity) come from? I am genuinely uncertain of how such a reaction would proceed. And why would it affect only some cases and only some parts of those cases? It should occur uniformly over everything in the bath.Isn't LemiShine citric acid? If so, I'm guessing you had a galvanic (electrical) reaction between the copper/zinc in the cases and the steel die.
Where would the power (electricity) come from? I am genuinely uncertain of how such a reaction would proceed. And why would it affect only some cases and only some parts of those cases? It should occur uniformly over everything in the bath.
I ultrasonically clean parts made of different metals all the time, typically aluminum, steel, stainless steel and have never seen such an effect. Of course I use specific ultrasound liquid and don't include lemi-shine.
Too much citric acid would be my guess, when I bought my FA wet tumbler I was reading up on what people were using for soap/citric acid mixes etc and that was one thing that usually popped up.Yep that once shiney steel die has been electroplated, the cases furthest away from the die did not discolor. I trimmed the brass later today and noticed that discoloration is just on the very surface, inside is nice and brassy. The mix in the cleaner is 1 tbsp Lemishine 1 tsp detergent on a filled bath. I won't do this again for sure but thought it would be fun to post.
It's called Galvanic Reaction, the Citric acid allows a small molecular interchangeable. It's a science book thing, I learned of it as a Hull Tech in the RCN.How? What would drive such a reaction? It is sound waves in a liquid medium. Not something that typically promotes chemical reactions.
Where would the power (electricity) come from? I am genuinely uncertain of how such a reaction would proceed. And why would it affect only some cases and only some parts of those cases? It should occur uniformly over everything in the bath.
I ultrasonically clean parts made of different metals all the time, typically aluminum, steel, stainless steel and have never seen such an effect. Of course I use specific ultrasound liquid and don't include lemi-shine.