Questions tagged [alchemy]

The tag has no usage guidance.

Filter by
Sorted by
Tagged with
5 votes
1 answer
995 views

Modern usage of alchemical symbols

As far as I know, not many (if any) alchemical symbols have survived in modern nomenclature of science, either in chemistry or any other. I think $\LaTeX$ doesn't even support most of them! I know ...
hjhjhj57's user avatar
  • 1,142
4 votes
1 answer
570 views

How do we know Hennig Brand's name?

The story of Hennig Brand discovering the element phosphorous is often repeated without citation, and there doesn't seem to be much scholarship about Brand in particular (although the history of the ...
Sam Gallagher's user avatar
3 votes
1 answer
183 views

Are there substances that were initially thought to be elements but are actually compounds?

I am wondering what are good examples of substances that were initially thought to be elements but then were found out to be compounds. How exactly were these substances found to be compounds?
Maximal Ideal's user avatar
3 votes
1 answer
101 views

Are there any records of the history for the development of speculum alloy?

I am curious if anyone has seen any records on how this alloy was first developed or perhaps accidentally discovered? One could ask a similar question for any alloy but since this is peculiar in ...
Sedumjoy's user avatar
  • 1,223
3 votes
0 answers
87 views

Was the wide use of mercury in experiments in the 19th century related to alchemy?

We know that Newton's hair samples showed high level of mercury and of course he used mercury like crazy in his alchemy experiments (as did many/all alchemists not just in the west but also China) and ...
releseabe's user avatar
  • 1,151
1 vote
1 answer
406 views

When Kervran suggested biological transmutation of elements did anyone argue this

My understanding is that Kervran fed chickens a diet lacking in calcium and yet eggs were produced with calcium in their shells. Two related questions: Could not the calcium have been from the bones ...
releseabe's user avatar
  • 1,151
0 votes
1 answer
309 views

Who did create the notions of acid, base, and salt first?

Who did create the notions of acid, base, and salt first? Many chemists had mentioned these 3 terms before Svante Arrhenius defined them in 1884. For example, Antoine Lavoisier mentioned the notions ...
user2986288's user avatar
0 votes
0 answers
49 views

What substances from the body did Boyle try when attempting to produce phosphorus?

According to Wikipedia, Hennig Brand discovered phosphorous. Later, Robert Boyle desired to replicate Brand's discovery, but didn't know that urine was used - only that it involved something that &...
ajd138's user avatar
  • 101