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RISConstruction of Ion selective electrode for Yttrium(III) Based on Dibenzo-18-crown-6
for measuring the yttrium(III) ion activity by using dibenzo-18-
crown-6 in aqueous solutions.Dibenzo-18-crown-6 (DB18C6) 3% has been used as membrane carrier (ionophore), nitrobenzene (NB) as plasticizer 65%,
sodium tetraphenyl borate...
Selective Bulk Liquid Membrane Transport of Metal ions Using Dibenzopyridinio-18-Crown-6 (DBPY18C6) as Ionophore
, dibenzopyridinio-18-crown-6 (DBPY18C6) as an ionophore and the aqueous receiving phase consisted of a buffer solution (HCOOH/HCOONa) at pH=3. The obtained results show that dibenzopyridinio-18-crown-6 is a highly selective ionophore for silver ion and under...
Lead (II)-selective coated graphite electrode based on benzo-18-crown-6
A lead (II)-selective coated graphite electrode based on benzo-18-crown-6 was prepared....
زن و روشن‌بینی در مخاصمه
تفسیر آیه 18 سوره مبارکه زخرف که به ظاهر منقصت شأن زن است که معنا و مراد آن با توجه به دیگر آیات قرآن بیان شده است که مقصود آیه نکوهش زن نیست بلکه خداوند سبحان از لسان مشرکان با خود آن‌ها سخن گفته است و در صورتی که سخن خدا باشد سخن از یک حقیقت طبیعی...
A thermodynamic study of complex formation between dicyclohexyl-18-crown-6 (DCH18C6) and La3+, UO22+ , Ag+, and NH4+ cations in acetonitrile-tetrahydrofuran binary media using conductometric method
The complex formation between La3+, UO 22+ Ag+, and NH 4+ cations and macrocyclic ligand, dicyclohexyl-18-crown-6 (DCH18C6), was studied in acetonitrile-tetrahydrofuran (AN-THF) binary mixtures at different temperatures using the conductometric...