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The Nature Of Phosphate

Edit:Shanghai TaiYang Technology Co.,Ltd      Date:Dec 02, 2016

In an acidic solution of phosphoric acid functional group under structure. Under the alkaline solution, the Group releases the two hydrogen atoms and ionization of phosphate with a formal charge of-2. The phosphate ion is a polyatomic ion, its empirical formula is PO43?, and molecular weight was 94.97. It contains a phosphorus Atom surrounded by four oxygen atoms, forming a regular tetrahedron. Phosphate ion with a formal charge of-3, and is the hydrogen phosphate ion (HPO42?) conjugate base hydrogen ion is the dihydrogen phosphate ion (H2PO4?) conjugate base; and the Dihydrogen ion is phosphoric acid (H3PO4) is the conjugate base. It is a hypervalent molecule (the phosphorus atom has 10 electrons in its valence shell). Phosphate is also an organic phosphorus compounds, their chemical formula OP (OR) 3.
Some alkali metals outer most phosphates, under standard conditions, it is insoluble in water.
In dilute aqueous phosphate exists in four forms. In an alkaline environment, the phosphate ion (PO43?) more and in an environment of weak bases, hydrogen phosphate ion (HPO42?) more. In an environment of weak acids, dihydrogen phosphate ion (H2PO4?) is more common; and in an environment of strong acid, aqueous phosphoric acid (H3PO4) is the main form.
Phosphate is an element p of natural forms, can be found in a variety of phosphate minerals. Elements of phosphorus or phosphides are hard to find (very little can be found in meteorites).   In mineralogy and geology, phosphate refers to contain phosphate in acid solution phosphate functional groups structure. In North America the largest phosphate deposits in the United States of Central Florida, German-Dutch love State Soda Springs, North Carolina coastal region. And the second is in Montana, Tennessee, Georgia and South Carolina near Charleston. The small island nation of Nauru was having lots of high quality phosphate mineral, but is now being excavated. Rock phosphate is also available in nafushadao, Morocco, and Tunisia, and Israel, Togo and Jordan find, these also have large amounts of phosphate mining.
In biology, phosphorus is free of phosphate ions in solution form, known as the "inorganic phosphate", this is distinguishing between core and other phosphate phosphate. Inorganic phosphates are expressed as Pi, which can be determined by the pyrophosphate (expressed as PPi) hydrolysis: the left picture.
However, phosphate is the most common to adenosine monophosphate (AMP) and adenosine diphosphate (ADP), adenosine triphosphate (ATP), deoxyribonucleic acid (DNA) and ribonucleic acid (RNA) forms, and was released by hydrolysis of ATP or ADP. For the other two phosphorus or phosphorus three nucleotides also have similar reactions. ADP and ATP, keys or other anhydride, containing large amounts of energy, which has an important role in biology. They are generally called high energy phosphate and phosphorus, just as Creatine phosphate in muscle tissue. Such as phosphine compounds in organic chemistry will also be used, but it does not seem to be the natural counterparts.
Because of phosphate on the importance of biological, ecological, it is highly collected. Therefore, it is often limited reagent in the environment, and its availability will determine biological growth speed. Joining the large amounts of phosphates in the absence of phosphate or microbial environment, has a significant impact on ecological. For example, a biological waterfall up will kill other creatures, and a certain amount of reduction would make the lack of resources such as oxygen (see eutrophication). Under the pollution problem, phosphate is the amount of total dissolved solids (a key water quality indicators) the main ingredient.

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