Talk:Magnus's green salt

Is this a salt?
This page implies the substance is a salt, based on the name and the text referring to it as such (the second sentence is "This salt..."). However, a caption on another page states "Magnus's green salt, which is not a salt...". As a non-chemist, I'm confused! Casper Gutman (talk • contributions) 09:31, 4 September 2020 (UTC)