Crystal Growth of Diazabicyclo[2.2.2]octane-1,4-diium dichromate |
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| Authors: | Zahra Javanshir Shahriare Ghammamy Massimo Di Vaira Monir Rahnama Baghy Hajar Sahebalzamani Razieh Shakeri and Jaber Salehzade |
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| Institution: | (1) Department of Chemistry, Faculty of Science, Islamic Azad University, Ardabil Branch, Ardabil, Iran;(2) Department of Chemistry, Faculty of Science, Islamic Azad University, Takestan Branch, Takestan, Iran;(3) Department of Chemistry, Faculty of Science, Imam Khomeini International University, Qazvin, Iran;(4) Department of Chemistry, Universit? di Firenze, Firenze, Italy; |
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| Abstract: | Abstract The crystal growth of (C6H14N2)Cr2O7], consists of a diazabicyclo2.2.2]octane-1,4-diium cation and a discrete dichromate anion, in solution has been determined
under the influence of various factors. Four factors, which influence the crystal size, crystal growth and nucleation, were
chosen. These factors are concentration, temperature, type of solvent and method of crystallization. Taguchi design of experiments
(DOE) method has been used for to plan a minimum number of experiments and optimization of crystallization processes. Crystallization
of diazabicyclo2.2.2]octane-1,4-diium dichromate with desirable particle size, shape and minimum time of crystal growth as
performance characteristics were studied. The changes in the crystal growth habit were observed and could be explained by
the differences in the morphology on the various photograph of this compound. |
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