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The history of fertilizer has largely shaped political, economic, and social circumstances in their traditional uses. Subsequently, there has been a radical reshaping of environmental conditions following the development of chemically synthesized fertilizers .
Phosphorus must have been awe-inspiring to an alchemist: it was a product of man, and seeming to glow with a "life force" that did not diminish over time (and did not need re-exposure to light like the previously discovered Bologna Stone). Brand kept his discovery secret, as alchemists of the time did, and worked with the phosphorus trying ...
He was the first to use phosphorus to ignite sulfur-tipped wooden splints, forerunners of modern matches, [17] and also improved the process by using sand in the reaction: 4 NaPO 3 + 2 SiO 2 + 10 C → 2 Na 2 SiO 3 + 10 CO + P 4. Boyle's assistant Ambrose Godfrey-Hanckwitz later made a business of the manufacture of phosphorus.
People exposed to white phosphorus can suffer severe and sometimes deadly bone-deep burns. It can cause organs to shut down, and burns on just 10% of the body can be fatal, HRW said.
Phossy jaw, formally known as phosphorus necrosis of the jaw, was an occupational disease affecting those who worked with white phosphorus (also known as yellow phosphorus) without proper safeguards. It is also likely to occur as the result of use of chemical weapons that contain white phosphorus.
They employed 3,134 people; 245 men and 1,276 women were involved in processes that included phosphorus, with the remainder employed in non-phosphorus roles. [ 10 ] [ 11 ] An occupational disease that affected those who worked with white phosphorus was phosphorus necrosis of the jaw , also known as phossy jaw; the condition is not associated ...
Image credits: Vestiges of History Family stories are rarely one type or another. When you look at a photo, you might start talking about a beach vacation, but the conversation could lead to the ...
Phosphates are the naturally occurring form of the element phosphorus, found in many phosphate minerals. In mineralogy and geology, phosphate refers to a rock or ore containing phosphate ions. Inorganic phosphates are mined to obtain phosphorus for use in agriculture and industry. [2] The largest global producer and exporter of phosphates is ...