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单词 polyphosphoric
释义

polyphosphoricadj.

Brit. /ˌpɒlɪfɒsˈfɒrɪk/, U.S. /ˈˌpɑliˌfɑsˈfɔrɪk/
Origin: Formed within English, by compounding. Etymons: poly- comb. form, phosphoric adj.
Etymology: < poly- comb. form + phosphoric adj.
Chemistry.
polyphosphoric acid n. any oxyacid of pentavalent phosphorus which contains two or more phosphorus atoms in the anion; esp. a mixture of polymers of orthophosphoric acid which is used in organic chemistry, esp. as a mild dehydrating agent.
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the world > matter > chemistry > organic chemistry > organic acids > [noun] > miscellaneous other organic acids
melilithic acid1803
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xanthic acid1831
alcoothionic acid1834
althionic acid1834
naphthalic acid1837
murexan1838
oxalhydric acid1838
pimelic acid1838
pyruvic acid1838
thionuric acid1838
glucic acid1840
sericic acid1841
anthranilic acid1842
acrylic acid1843
ulmin1843
rhoeadic acid1846
alizaric acid1848
thiacetic acid1854
fulminuric acid1855
phthalic acid1857
anchoic acid1858
graphitic acid1864
tropic acid1867
thymotic acid1868
octoic acid1881
nucleinic acid1893
polyphosphoric acid1895
hydnocarpic acid1905
glucuronic acid1909
octanoic acid1909
Reinecke acid1928
propenoic acid1948
lipoic acid1951
picloram1965
wyerone acid1970
1895 Jrnl. Chem. Soc. 68 ii. 445 (heading) New polyphosphoric acid, H5P3O10, and its salts.
1950 Jrnl. Amer. Chem. Soc. 72 2962/2 The reaction was carried out in polyphosphoric acid, a commercially available mixture of the ‘strong phosphoric acids’.
1992 Industr. & Engin. Chem. Res. 31 363/2 The chain length of the polyphosphoric acid has been found to be linearly related to the K+ release.
This entry has been updated (OED Third Edition, September 2006; most recently modified version published online March 2022).
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adj.1895
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