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The Berne Convention (formally, the International Convention respecting the Prohibition of the Use of White (Yellow) Phosphorus in the Manufacture of Matches (French: Convention internationale sur l'interdiction de l'emploi du phosphore blanc (jaune) dans l'industrie des allumettes)) of 1906 is a multilateral treaty negotiated in Berne, Switzerland, which prohibits the use of white phosphorus ...
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.
The earliest European records noting the use of guano as fertilizer date back to 1548. [10] Although the first shipments of guano reached Spain as early as 1700, it did not become a popular product in Europe until the 19th century. [11]
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.
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Nevertheless, most of the ancient people who were given the duty of healers through the usage of herbs were well accustomed with which plants from their local flora could be used to help the injured. This knowledge was learned and passed down after healers repeatedly used an herbal remedy for a specific wound with the belief that it promoted ...
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. Those who don ...
Other European and North American fertilizer companies developed their market share, forcing the English pioneer companies to merge, becoming Fisons, Packard, and Prentice Ltd. in 1929. [ citation needed ] Together they produced 85,000 tons of superphosphate/year in 1934 from their new factory and deep-water docks in Ipswich .