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Tetraphosphorous acid

Dilution of polyphosphoric acids with water in absence of cooling may lead to a large exotherm. Thus, tetraphosphoric acid diluted from 84 to 54% phosphorus pentoxide content rapidly attains a temperature of 120-140°C. [Pg.1695]

Sodium hydrogen sulfate, 4446 Sulfuric acid, 4479 Tetrafluoroboric acid, 0130 Tetraphosphoric acid, 4567... [Pg.204]

Orthophosphoric acid of 95% concentration is most efficient for effecting cleavage of tetrahydrofuran. Commercial orthophosphoric acid (85%) may be used however, the yield drops to 82% and approximately 10% of the tetrahydrofuran is recovered. Anhydrous orthophosphoric acid and tetraphosphoric acid cannot be employed conveniently because of the limited solubility of hydrogen iodide in these reagents. [Pg.18]

PROBLEM 19.9 Elimination of water from H3P04 leads to the formation of tetraphosphoric acid, H6P4013. Write a balanced equation for the reaction. Draw structural formulas for H3P04 and H6P4Oi3, and show how elimination of water gives H6P4013. [Pg.843]

H. N. Stokes has obtained a number of derivatives of tetraphosphoric acid whose empirical compositions agree with the graphic formulae ... [Pg.715]

Superphosphoric acid Tetraphosphoric acid. Acid used in the manufacture of phosphates, phosphate esters, catalysts, fuel cell electrolytes, metal cleaning and brightening, organic rextions. Viscous liquid d = 2.1000. Albright Wilson Americas Inc. [Pg.506]

P062. . Tetraphosphoric acid, hexaethyl ester P120. . Vanadium pentoxide... [Pg.113]

Synonyms Phospholeum Superphosphoric acid Tetraphosphoric acid... [Pg.3540]

Tetraphosphoric acid. See Polyphosphoric acid Tetraphosphoric acid, hexasodium salt. See Sodium tetraphosphate Tetraphosphorus trisulfide. See Phosphorus sesquisulfide... [Pg.4390]

Commercial tetraphosphoric acid contains about 82.5 per cent phosphorus(V) oxide (theory, 84 per cent). Three grams of water or 12 g. of 85 per cent orthophosphoric acid should be added for each 100-g. portion of the acid. The water or acid is added slowly with agitation. Stirring will be difficult at first because of the very high viscosity of the starting material, but the heat of dilution will serve to decrease the viscosity rapidly. [Pg.97]

See other pages where Tetraphosphorous acid is mentioned: [Pg.530]    [Pg.629]    [Pg.552]    [Pg.103]    [Pg.1695]    [Pg.163]    [Pg.714]    [Pg.715]    [Pg.991]    [Pg.458]    [Pg.1771]    [Pg.2144]    [Pg.1695]    [Pg.458]    [Pg.201]    [Pg.49]    [Pg.1081]    [Pg.1086]    [Pg.1227]    [Pg.1695]    [Pg.2064]    [Pg.477]    [Pg.4124]    [Pg.97]    [Pg.115]    [Pg.732]    [Pg.741]    [Pg.748]   
See also in sourсe #XX -- [ Pg.477 ]



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Tetraphosphoric acid

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