TY - BOOK AU - Gilliland,Alexis A. TI - Heat of Formation of Nitronium Perchlorate PY - 1962/// PB - [Gaithersburg, MD] : U.S. Dept. of Commerce, National Institute of Standards and Technology, KW - Text KW - local N1 - /pmc/articles/PMC5324961 N2 - Calorimetric measurements of the heat of solution of nitronium perchlorate (NO(2)ClO(4)) and of a mixture of potassium nitrate and potassium perchlorate in aqueous potassium hydroxide have been made. These are combined to give: [Formula: see text] from which the standard heat of formation of nitronium perchlorate is calculated as [Formula: see text] in which the uncertainty represents twice the estimated overall standard deviation of the result UR - http://dx.doi.org/10.6028/jres.066A.045 ER -