[Stephen] often finds the need to make his own PCBs ... A fair warning however, standard ferric chloride disposal procedures need to be followed when using this solution. If you want to know ...

to make ferric chloride successfully. Even then, it is a good example of conflicting information on the Internet. While [w_k_fay] says his vinegar solution didn’t do much, we’ve seen ...

Compounds with a phenol group will form a blue, violet, purple, green, or red-brown color upon addition of aqueous ferric chloride. This reaction can be used as a test for phenol groups. Mix several ...