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Ferrophosphorus is used in metallurgy as a source of phosphorus for alloying, for deoxidizing the melt and for removal of unwanted compounds into slag. Ferrophosphorus is a byproduct of phosphorus production in submerged-arc furnaces from apatites, by their reduction with carbon. It is formed from the iron oxide impurities.
This ensures a constant packed bed volume. The gaseous product, a mixture of carbon monoxide and phosphorus gas, leaves the furnace through two symmetrically placed outlet vents situated above the ferrophosphorus tap hole in the roof of the furnace. The ferrophosphorus is tapped off, usually once per day.
This list is sorted by boiling point of gases in ascending order, but can be sorted on different values. "sub" and "triple" refer to the sublimation point and the triple point, which are given in the case of a substance that sublimes at 1 atm; "dec" refers to decomposition. "~" means approximately.
Iron phosphide reacts with moisture and acids producing phosphine (PH 3), a toxic and pyrophoric gas. Iron phosphide is a good electric and heat conductor. [2] Below a Néel temperature of about 119 K, FeP takes on an helimagnetic structure. [3]
Side products from the thermal process include ferrophosphorus, a crude form of Fe 2 P, resulting from iron impurities in the mineral precursors. The silicate slag is a useful construction material. The fluoride is sometimes recovered for use in water fluoridation. More problematic is a "mud" containing significant amounts of white phosphorus.
Smoke rises as the Palestinian Foreign Ministry claimed that Israel used phosphorus bombs in its attacks on populated areas in Gaza City, Gaza on Oct. 11, 2023.
The Israeli military deployed white phosphorus, a controversial and lethal chemical substance, in its war against Hamas, putting civilians at risk of life-threatening burns, according to the Human ...
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