But the Lord's word endures forever." This is the word of good news which was preached to you.
The nitro-muriatic acid, formerly called aqua regia, is formed by adding muriatic acid, vulgarly spirit of salt, to the nitric acid, formerly aqua fortis. Two parts of the muriatic acid to one of the nitric constitute this solvent of gold and platina, which is called the nitro-muriatic acid.