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metaphosphate
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metaphosphate
metaphosphate Chem. (mɛtəˈfɒsfət) [meta- 2 a.] A salt of metaphosphoric acid.1833 [see next]. 1869 Roscoe Elem. Chem. 160 Sodium metaphosphate.
Oxford English Dictionary
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Metaphosphate
A metaphosphate ion is an oxyanion that has the empirical formula . Metaphosphate is an intermediate in the hydrolysis of phosphate esters but it is difficult to isolate, as it readily hydrolyses to from a dihydrogen phosphate
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Uranyl metaphosphate
Uranyl metaphosphate is a compound of uranium, phosphorus, and oxygen. It is one of the phosphates of uranium with the formula [UO2(PO3)2]n.
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trimetaphosphate
triˌmetaˈphosphate Chem. [tri- 5 a.] A triple polymer of a metaphosphate, sodium mono-metaphosphate being NaPO3.1894 Muir & Morley Watts' Dict. Chem. IV. 107.
Oxford English Dictionary
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Barium metaphosphate
Barium metaphosphate is an inorganic substance with the molecular formula Ba(PO3)2. by the aqueous reaction of barium chloride and sodium metaphosphate:
BaCl2(aq) + 2NaPO3(aq) → Ba(PO3)2 + 2NaCl
Applications
The combination of sodium
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metaphosphoric
metaphosphoric, a. Chem. (mɛtəfɒsˈfɒrɪk) [meta- 2 a.] metaphosphoric acid (HPO3): an acid containing a molecule of water less than orthophosphoric acid.1833 T. Graham in Phil. Trans. 277, I shall take the liberty to designate provisionally the acid of the fused biphosphate of soda, the Metaphosphori...
Oxford English Dictionary
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STMP
STMP may refer to:
Sodium trimetaphosphate (also STMP), a metaphosphate of sodium
Stamps.com (Nasdaq ticker: STMP), an American company that provides
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Monopotassium phosphate
When heated further, MKP decomposes, by loss of water, to potassium metaphosphate, , at .
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偏磷酸铵
偏磷酸铵(Ammonium metaphosphate),分子式NH4PO3。分子量98.97。
性质
粒状固体。稍有吸湿性,不结块。
制备
由五氧化二磷、氨气与水蒸气反应而得。
用途
用作高浓度的氮磷复合肥料。
参考文献
铵盐
偏磷酸盐
缺少物质图片的化学品条目
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Monofluorophosphate
Industrial production is by reaction of a fluoride with a metaphosphate.
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Iron(III) pyrophosphate
Synthesis
Anhydrous iron(III) pyrophosphate can be prepared by heating the mixture of iron(III) metaphosphate and iron(III) phosphate under oxygen with
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Samarium(III) phosphate
Preparation
Samarium(III) phosphate can be obtained by reacting sodium metaphosphate with any soluble samarium(III) salt:
Samarium(III) phosphate can
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Sodium monofluorophosphate
Preparation and structure
Sodium monofluorophosphate is produced industrially by the reaction of sodium fluoride with sodium metaphosphate:
NaPO3 + NaF
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Silver phosphate
Silver metaphosphate (AgPO3) (CAS No. 13465-96-8) is a white solid with a density of 6.370 g/cm3 and a melting point of 482 °C.
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Kanamycin kinase
aminoglycoside through a dissociative mechanism, where deprotonation of the substrate is not critical to phosphate transfer, but instead the stabilization of a metaphosphate The amide backbone of Met26 forms a hydrogen bond with the metaphosphate to stabilize the transition state, as a magnesium ion (designated Mg1) then lengthens
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