Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Abolfazl Semnani"'
Publikováno v:
Case Studies in Chemical and Environmental Engineering, Vol 10, Iss , Pp 100746- (2024)
Mathematical models are an integral part of science that play a huge role in predicting processes. These models are usually made based on data corresponding to events (in the past) or laboratory data.According to our studies, all mathematical models
Externí odkaz:
https://doaj.org/article/e73c100fe23147b39d45449d6df01c7d
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 22, Iss 2, Pp 287-294 (2008)
A spectrophotometric study concerning the interaction between HT18C6 as n-donor and I2 as σ-acceptor has been performed in chloroform solution at different temperatures. The results are indicative of the formation 1:1 complex through equilibrium rea
Externí odkaz:
https://doaj.org/article/56fe9e8023dd41308c69fb00a4a01fd8
Publikováno v:
Bulletin of the Chemical Society of Ethiopia, Vol 20, Iss 2, Pp 183-192 (2006)
Spectrophotometric and electrochemical studies concerning the interaction of cryptand 222 with DDQ and I2 have been performed in ethanol solution. In the case of DDQ, the results are indicative of the formation of C222¬+ and DDQ- through an equilibr
Externí odkaz:
https://doaj.org/article/0ca0f5e8e84a4f2ea499d10dbe05103c
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 24, Iss 3, Pp 53-57 (2005)
The interaction between 4, 7, 13, 16, 21, 24 - hexaoxa-1,10 - diazabicyclo [8.8.8] hexacosane (C222) and 7,7,8,8- teracyanoquinodimethane (TCNQ) has been studied in chloroform at 25°C. The results indicate a two step mechanism. At the first step, tw
Externí odkaz:
https://doaj.org/article/7d52654d628c409292a9bef330f75634
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 23, Iss 1, Pp 1-6 (2004)
A spectrophotometric study concerning the interactoin between iodine and bromine with tetrabutylammonium iodide (TBAI), tetrabutyl- ammonium bromide (TBABr) and cryptand 222 (C222) has been performed in dichloromethane solution at 25°C. The results
Externí odkaz:
https://doaj.org/article/60ad5d2489dc43659e31abbb1adab618
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 23, Iss 1, Pp 57-64 (2004)
The interaction between benzo-15-crown-5 (B15C5), dibenzo-18-crown-6 (DB18C6), dibenzyl-daza-18crown-6 (DBzDA18C6), N-phenyl-aza-15-crown-5 (NPhA15C5) and dibenzopyridine-18-crown-6 (DBPy18C6) with π-acceptor 2,3-dichloro-5,6-dicyanobenzoquinone (DD
Externí odkaz:
https://doaj.org/article/52d7ea4818b44684bfc90812eba3b410
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 19, Iss 2, Pp 67-71 (2000)
The complexation reaction between iodine and 1,10-Diaza-18-Crown-6 (DA18C6) has been studied in acetonitrile by spectrophotometric, biamperometric and conductometric techniques. The results are indicative of the formation of [(CH3CH)nI+.I¯3] from io
Externí odkaz:
https://doaj.org/article/56b096bc86ee43de8529a088caeea331
Autor:
Mojtaba Shamsipour, Abolfazl Semnani
Publikováno v:
Iranian Journal of Chemistry & Chemical Engineering, Vol 15, Iss 1, Pp 28-34 (1996)
The complexation reactions between Tl+ and Pb2+ ions and crown ethers 12-crown-4(12C4), 15-crown-5 (15C5), benzo-15-crown-5 (B15C5), 18-crown-6 (18C6), dicyclohexyl-18-crown-6 (DC18C6) and aza-18-crown-6 (A18C6) were studied in 90% acetonitrile and 9
Externí odkaz:
https://doaj.org/article/bba03af9e2b14de49dae081b4af585d4
Autor:
Behnam Rahimi, Abolfazl Semnani, Alireza Nezamzadeh-Ejhieh, Hamid Shakoori Langeroodi, Massoud Hakim Davood
Publikováno v:
Journal of Analytical Methods in Chemistry, Vol 2012 (2012)
Physicochemical properties of a mineral-based gasoline engine oil have been monitored at 0, 500, 1000, 2000, 3500, 6000, 8500, and 11500 kilometer of operation. Tracing has been performed by inductively coupled plasma and some other techniques. At ea
Externí odkaz:
https://doaj.org/article/2b42fec1299640359dff99d6161bf43e
Publikováno v:
Journal of the Iranian Chemical Society. 18:893-902
An innovative environmentally friendly deep eutectic solvent-based ligandless ultrasound-assisted liquid-phase microextraction was introduced for spectrophotometric determination of trace amount of cobalt. n-phenyliminodiacetic acid: choline chloride