Where can I buy concentrated sulphuric acid ??
Chemicals for hobbyists are difficult. Actually plating played a role in this. In the past hobbyist (like platers) acted irresponsibly, dumping their waste on the ground or in the sewer system. After the 1972 Clean Water Act, Federal and State authorities began to crack down on chemical dealers to make sure they were selling to regulated-customers. And now you are witnessing the results of all these good efforts. It is difficult for the hobbyist like yourself, or even me to obtain materials. Ah the trade off – a clean environment, or un-fettered research. To add complication to your sulfuric acid question, this acid can be used in the manufacturing of high explosives. So there are a whole new bunch of regulators trying to restrict supply to the “Average Joe”. The only option I can think of is car batteries from a junkyard. I but I find it highly distasteful, because of course that acid has Lead in it. So we come full circle, the rules aimed at protecting the environment inevitably do c