Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Sa'ib J. Khouri"'
Autor:
Sa'ib J. Khouri, Abdel mnim M. Altwaiq
The electrical conductivities of aqueous solutions of the azo dye methyl orange (sodium salt) were measured at 25.0 °C in the concentration range between 2.103 × 10-4 and 9.255 × 10-4 mol L-1. Molar conductivity values fit the Debye-Hückel-Wager
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b63278b643b2e36a709f0af11a611062
https://doi.org/10.21203/rs.3.rs-2361849/v1
https://doi.org/10.21203/rs.3.rs-2361849/v1
Publikováno v:
American Journal of Analytical Chemistry. 11:349-361
The electrical conductivity method was successfully applied as a new monitoring technique to monitor the corrosion and corrosion inhibition processes of zinc metal. Measurements of electrical conductivity at 20.0°C of three different corrosive solut
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5c301cf6b1ea3fa7a3cac23fef05884
https://doi.org/10.4236/ajac.2020.1110028
https://doi.org/10.4236/ajac.2020.1110028
Autor:
Sa’ib J. Khouri, Abdelmnim M. Altwaiq
Publikováno v:
Journal of Inclusion Phenomena and Macrocyclic Chemistry. 87:305-311
Electrical conductivity measurements were used to study the hydrolysis reaction of dilute aqueous solution of ethyl acetate with the presence β-cyclodextrin (β-CD) within a concentration range between 0.00 and 0.00750 M in basic medium at 25.0 °C.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::32e558372c5f92ffa71ebcb2b1deef3c
https://doi.org/10.1007/s10847-017-0700-1
https://doi.org/10.1007/s10847-017-0700-1
Publikováno v:
Journal of Solution Chemistry. 42:1844-1853
The UV/Vis spectra of the m-methyl red (m-MR) ({3-[4-(dimethyl-amino) phenylazo] benzoic acid}) were examined in aqueous solutions at various acidities. These were characterized by the overlap of the different bands of m-MR. The thermodynamic acid di
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7de77db956e7869485a12aa51d8ee0f7
https://doi.org/10.1007/s10953-013-0068-9
https://doi.org/10.1007/s10953-013-0068-9
Publikováno v:
Journal of Inclusion Phenomena and Macrocyclic Chemistry. 77:105-112
The UV/Visible spectra of m-methyl red (m-MR) ({3-[4-(dimethyl-amino) phenylazo] benzoic acid}) were examined in basic, acidic and strongly acidic aqueous solutions. The observed spectra of m-MR were analyzed and compared with the tautomeric and reso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::97b3e860e37b558b73c553fda0f38e66
https://doi.org/10.1007/s10847-012-0221-x
https://doi.org/10.1007/s10847-012-0221-x
Autor:
Volker Buss, Sa’ib J. Khouri
Publikováno v:
Open Journal of Physical Chemistry. :34-40
Different structures are proposed for the complexes formed from the interaction between the cationic cyanine dye 1, 1’-diethyl-2, 2’-carbocyanine chloride (Pinacyanol chloride) and the anionic surfactant sodium bis (2-ethylhexyl) sul- fosuccinate
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e60c8c023fa4731eb1e0160b6da39487
https://doi.org/10.4236/ojpc.2012.21005
https://doi.org/10.4236/ojpc.2012.21005
Publikováno v:
Journal of Inclusion Phenomena and Macrocyclic Chemistry. 65:287-292
Aggregation of pinacyanol chloride is strongly enhanced through inclusion into γ-cyclodextrin, which was studied using both UV/Visible, derivative and Circular Dichroism (CD) spectroscopy. The intensities at 546 and at 507 nm were increased with the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9ab9bb719f4b5c146a17b03664ccf68d
https://doi.org/10.1007/s10847-009-9579-9
https://doi.org/10.1007/s10847-009-9579-9
Autor:
Sa'ib J. Khouri, Khalid M. Tawarah
Publikováno v:
Dyes and Pigments. 45:229-233
The eAect of cyclomaltooctaose (g-cyclodextrin, gCD) on the UV‐visible spectrum of p-methyl red {4-[4-(dimethylamino) phenylazo] benzoic acid} in alkaline and acidic aqueous solutions was analyzed according to a 2:1 (dye:gCD) inclusion process. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6c5a67f65cb7daf0937879917eb01499
https://doi.org/10.1016/s0143-7208(00)00024-3
https://doi.org/10.1016/s0143-7208(00)00024-3
Autor:
Sa'ib J. Khouri, Khalid M. Tawarah
Publikováno v:
Carbohydrate Research. 245:165-173
The effects of cyclomaltohexaose (α-cyclodextrin, αCD) and cylomaltoheptaose (β-cyclodextrin, βCD) on the UV-visible spectra of the anion and cation of p -Methyl Red 4-[4-(dimethylamino)phenylazo]benzoic acid in aqueous solution were analyzed acc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c27157f86d0e17288e52982b78183f85
https://doi.org/10.1016/0008-6215(93)80070-u
https://doi.org/10.1016/0008-6215(93)80070-u
Autor:
Sa'ib J. Khouri, Khalid M. Tawarah
Publikováno v:
Dyes and Pigments. 20:261-270
The UV-visible spectra of p-methyl red were examined at 25°C in water at various acidities and the variations in the spectra were correlated with the structures of the several forms of the compound. The monoprotonated form gives aggregates at concen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b221110c60553ea213b8fafc208d5619
https://doi.org/10.1016/0143-7208(92)87025-v
https://doi.org/10.1016/0143-7208(92)87025-v