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8152458 
Journal Article 
Solubility-and Refractive Index of Ammonium Perchlorate in Water 
Ayerst, RP; Phillips, MI 
1966 
Yes 
Journal of Chemical and Engineering Data
ISSN: 0021-9568
EISSN: 1520-5134 
11 
4 
494-496 
English 
The solubility of ammonium perchlorate in water has been determined for the temperature range 10° to 80° C. The data are represented with an accuracy of 0.1% by [formula-ommited] where x is the mole fraction of ammonium perchlorate at absolute temperature T. The presence of a small quantity of potassium perchlorate decreases the solubility of ammonium perchlorate. Two sets of data are presented on high grade commercial and recrystallized ammonium perchlorate and the results are compared with published work which shows inconsistency. Refractive index values for a solution in water at a known temperature and concentration are given by the equation [formula-ommited] The equation is valid over the range 20° to 50° C., and a significant feature is the linearity of the relation whether the solution is saturated, undersaturated, or supersaturated. © 1966, American Chemical Society. All rights reserved.