Re: how do i turn ammounia sulfate into nh4
Monograph Number: 559
Title: Ammonium Sulfate
CAS Registry Number: 7783-20-2
CAS Name: Sulfuric acid diammonium salt
Additional Names: mascagnite
Molecular Formula: H8N2O4S
Molecular Weight: 132.14.
Percent Composition: H 6.10%, N 21.20%, O 48.43%, S 24.27%
Line Formula: (NH4)2SO4
Literature References: The "pure" grade of commerce contains at least 99% (NH4)2SO4. Prepn: Gmelin's, Ammonium (8th ed.) 23, 261-280 (1936). Manuf: Faith, Keyes & Clark's Industrial Chemicals, F. A. Lowenheim, M. K. Moran, Eds. (Wiley-Interscience, New York, 4th ed., 1975) pp 103-108. Review: Call, "Ammonium Sulfate" in Mellor's Vol. VIII, Supplement I, Nitrogen (part 1) 473-505 (1964). Solubility studies: A. C. D. Rivett, J. Chem. Soc. 121, 379 (1922); R. M. Caven, T. C. Mitchell, ibid. 125, 1428 (1924).
Properties: Odorless, orthorhombic crystals or white granules. d 1.77. Dec above 280°. Soly in water (g (NH4)2SO4 per 100 g of satd soln): 41.22 (0°); 43.47 (25°); 50.42 (100°) (Rivett). Soly in water (g/100 g H2O): 70.6 (0°); 76.7 (25°); 103.8 (100°) (Caven, Mitchell). Insol in alcohol, acetone. pH of 0.1 molar aq soln 5.5.
Density: d 1.77
Use: Manuf ammonia alum; in the manuf of H2SO4 to free it from nitrogen oxides; analytical uses; freezing mixtures, flameproofing fabrics and paper; manuf viscose silk; tanning, galvanizing iron; in fractionation of proteins. The commercial grade is used as fertilizer.
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Monograph Number: 538
Title: Ammonium Nitrate
CAS Registry Number: 6484-52-2
Molecular Formula: H4N2O3
Molecular Weight: 80.04.
Percent Composition: H 5.04%, N 35.00%, O 59.97%
Line Formula: NH4NO3
Literature References: Manuf: Faith, Keyes & Clark's Industrial Chemicals, F. A. Lowenheim, M. K. Moran, Eds. (Wiley-Interscience, New York, 4th ed., 1975) pp 97-102. Comprehensive description of manuf processes and physical data: B. T. Federoff et al., Encyclopedia of Explosives and Related Items, vol. I (Picatinny Arsenal, Dover, N.J., 1960) pp A311-A379. Review: Thatcher, "Ammonium Nitrate" in Mellor's vol. VIII, supplement I, Nitrogen (part 1) 506-562 (1964).
Properties: Odorless, transparent, hygroscopic, deliquesc crystals or white granules. Five solid phases exist at normal pressure. Orthorhombic at room temp. d 1.72. Dec at about 210°, mostly into H2O and N2O. One gram dissolves in 0.5 ml water, 0.1 ml boil. water, about 20 ml alc, about 8 ml methanol, pH of 0.1M soln in water: 5.43. Keep well closed.
Density: d 1.72
NOTE: Disastrous explosions ascribed to ammonium nitrate occurred in 1947 at Texas City and at Brest.
Use: Making nitrous oxide (laughing gas); in freezing mixtures, safety explosives, matches; pyrotechnics; in fertilizers.
Therap-Cat-Vet: Has been used as an expectorant, urinary acidifier.
[This message has been edited by pikk (edited 07-09-2003).]
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