2 adjectives to describe vitriol

Other Metallic Poisons: Blue vitriol, Symptoms in general, Emetic with lead; none with Copperas, same as in arsenical copper and iron; white of Green vitriol, poisoning.

Another method to clear them: Make up three lukewarm waters, in first put some bleaching liquor, in second a little vitriol, handle these two, and rinse through the third, hydro-extract, and hang in stove.

2 adjectives to describe  vitriol