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Sulfur
22
92 reads
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Since the beginning of alchemy, alchemists have used symbols to represent different elements. Alchemy symbols sometimes contain hints of the qualities the element was thought to have, as well as the history of the element. Using symbols helped alchemists keep their work secret fr...
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135 reads
Salt is now known to be a chemical compound comprised of sodium and chloride, but alchemists believed it was a single element. Salt represents the body, as well as physical matter in general, crystallization, and condensation.
Salt is often impure when first collected, but...
22
94 reads
Mercury (which is also one of the seven planetary metals) can mean both the element and the planet. In either case, this alchemy symbol represents the mind, as well as a state that could transcend death. In ancient times, mercury was known as quicksilver, and it was believed to b...
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100 reads
Sulfur represents properties such as dryness, heat, and masculinity. In alchemy, it could also represent evaporation, expansion, and dissolution. In terms of human body, it represented the soul. In terms of the tria prima, sulfur was seen as the middling element connecting salt (...
22
111 reads
Alchemy is an area of study, sometimes described as a science, sometimes described as a branch of philosophy, that was practiced in Europe, Asia, and Africa. Alchemy originated in the early centuries AD, primarily in Egypt, Greece, and Rome, but eventually spread as far as India, China, and Engla...
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171 reads
The three primes, also known as the tria prima, were named by Paracelsus, a Swiss philosopher, in the 16th century. He believed the tria prima contained all the poisons that caused disease, and that by studying them, alchemists could learn how to cure disease. He also believed th...
25
157 reads
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Basic chemical disinfection was employed since at least 3,000 BC, using alcohol, elemental copper and Sulfur, salt, sodium carbonate, and mild organic acids.
Sulfur fumigation was used widely throughout Europe through the Middle Ages, especially during outbreaks of plague....
Carlson did chemical experiments in his own home, to the frustration of his family and neighbours. He mad smelly compounds, melting sulfur over zinc plates in the kitchen smelling like rotten eggs, and once even starting a fire.
Carlson used Selényi’s ideas (more or less to use light to re...
Mars has a dense core at its center between 930 and 1,300 miles (1,500 to 2,100 kilometers) in radius. It's made of iron, nickel, and sulfur.
Surrounding the core is a rocky mantle between 770 and 1,170 miles (1,240 to 1,880 kilometers) thick, and above that, a crust made of iron, magnesiu...
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