Unsincerity

[…] I am novv ſatisfi'd, that a Spirit of Sea-ſalt may vvithout any unſincerity be ſo prepar'd as to diſſolve the body of crude Gold, though I could not find that the Solutions I made of that Metal vvere red, but rather of a yellovv or golden colour, much like thoſe made vvith common Aqua Regis.