Hello, I made king water, I bought gold. But after SMB, Su takes the color of ink, when I test it with tin chloride, it first leaves a black precipitate and turns green. I will try to add a picture in this way, I hope I can fully explain. scrap material electronic ..
before Stennus
After Stennus
prepication with stennus
TY
before Stennus
After Stennus
prepication with stennus
TY