منابع مشابه
Caffeinium bisulfate monohydrate
IN THE TITLE COMPOUND (SYSTEMATIC NAME 1,3,7-trimethyl-2,6-dioxo-7H-purin-9-ium hydrogen sulfate monohydrate), C(8)H(11)N(4)O(2) (+)·HSO(4) (-)·H(2)O, the crystal packing is stabilized through N-H⋯O and O-H⋯O hydrogen bonds.
متن کاملHydration of the bisulfate ion: atmospheric implications.
Using molecular dynamics configurational sampling combined with ab initio energy calculations, we determined the low energy isomers of the bisulfate hydrates. We calculated the CCSD(T) complete basis set (CBS) binding electronic and Gibbs free energies for 53 low energy isomers of HSO(4)(-)(H(2)O)(n=1-6) and derived the thermodynamics of adding waters sequentially to the bisulfate ion and its h...
متن کاملSynthesis and Characterization of Highly Intercalated Graphite Bisulfate
Different chemical formulations for the synthesis of highly intercalated graphite bisulfate have been tested. In particular, nitric acid, potassium nitrate, potassium dichromate, potassium permanganate, sodium periodate, sodium chlorate, and hydrogen peroxide have been used in this synthesis scheme as the auxiliary reagent (oxidizing agent). In order to evaluate the presence of delamination, an...
متن کاملFormulation and Evaluation of Clopidogrel Bisulfate Immediate Release Tablets
Many patients especially children and elderly have difficulty in swallowing tablets and capsules and consequently unable to take medicine as prescribed. Almost 50% of the population is affected by such problem, resulting in the high incidence of non compliance and ineffective therapy. Most pharmaceutical forms for oral administration are formulated for direct ingestion, or for chewing, or for p...
متن کاملAmmonium Bisulfate/Water Equilibrium and Metastability Phase Diagrams
Though ammonium bisulfate is one of the most common of atmospheric hygroscopic aerosols, knowledge of its interaction with water has, until now, been extremely limited. This paper presents our observations on single isolated ammonium bisulfate aerosol particles, as they interact with water vapor at temperatures ranging from -40 to 30 °C. The complete phase diagram in the temperature/composition...
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ژورنال
عنوان ژورنال: Acta Crystallographica Section E Structure Reports Online
سال: 2011
ISSN: 1600-5368
DOI: 10.1107/s1600536811031540