Wow, I'm posting like mad
Are there any regulations regarding the sale of hydrogen peroxide solutions or requiring the sale to be referred to a pharmacist? Do they apply to all the strenghts (3%, 6%, 9%)?
Iodine tincture? Remember covering iodine crystals with 880 ammonia to make nitrogen tri-iodide, but did not know this could be done with the tincture.
johnep