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P (Ferro phosphorus)

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Keterangan

     White phosphorus is almost insoluble in water but soluble in carbon disulfide. It burns spontaneously in air above 30°C. When exposed to sunlight or heated in its own vapour to 250°C it is converted to red phosphorus, which is less dangerous than the white form and does not ignite spontaneously. Red phosphorus is used in the manufacture of safety matches, pesticides, incendiary shells, smoke bombs and tracer pellets.

Nama lain (trademark, branding etc.)

Phosphorus, Fosfor, Phosphore, Phosphor - r, Fosforo, Фосфор, 

 

Spesifikasi Produk

Overview of Phosphorus
Atomic Number 15
Group 15
Period 3
Series Nonmetals
Relative Atomic Mass (12C=12.000)  30.974
Boiling Point:  553K 280°C 536°F
Melting Point: 317.45K 44.3°C 111.7°F
Density/kg m-3  1820 (white)
  2200 (red)
  2690 (black) all at 293K
Ground State Electron Configuration  [Ne]3s23p3
Electron Affinity(M-M-)/kJ mol-1  -60
Discoverer:  Hennig Brand
Discovery Location:  Hamburg Germany
Discovery Year:  1669
Name Origin: Greek: phôs (light) and phoros (bearer).

Aplikasi

     Many fertilisers contain a high proportion of phosphorus and are manufactured from concentrated phosphoric acids. World wide demand for fertilisers has greatly increased in recent years as their importance to agriculture and arming has grown. Phosphorus is also important in the production of steel.
     Phosphates are ingredients of some detergents, but are increasingly being omitted nowadays due to concern that high phosphate levels in natural water supplies cause the growth of undesirable algae. Phosphates are also used in the production of special glasses and fine chinaware.

Bahan Baku

Ferrous (Fe2+), in chemistry, indicates a divalent iron compound (+2 oxidation state), as opposed to ferric, which indicates a trivalent iron compound (+3 oxidation state). This usage has mostly been deprecated, with current IUPAC nomenclature having names containing the oxidation state in bracketed roman numerals instead, such as iron(II) oxide for ferrous oxide (FeO).

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