Vol. 24 No. 1 (2010) | Bulletin of the Chemical Society of Ethiopia

Published: 2010-03-17

Formulation and characterization of a multiple emulsion containing 1% L-ascorbic acid

Naveed Akhtar, Mahmood Ahmad, Haji M. Shoaib Khan, Jawad Akram, Gulfishan Gulfishan, Ahmad Mahmood, Muhammad Uzair

DOI:

10.4314/bcse.v24i1.52955

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Application of Triton X-100 coated poly vinyl chloride as new solid phase for preconcentration of Fe³⁺, Cu²⁺ and Zn²⁺ ions and their flame atomic absorption spectrometric determinations

Mehrorang Ghaedi, Ebrahim Niknam

DOI:

10.4314/bcse.v24i1.52956

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Spectrophotometric study of the charge transfer complexation of some amino acid derivative drugs as electron donors with 7,7,8,8-tetracyanoquinodimethane

Sheng Yun Li, Qiao Lin Guo, Wen Yuan, Yu Cui Hou, Li Ming Du

DOI:

10.4314/bcse.v24i1.52957

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A spectrofluorimetric sensor based on grape skin tissue for determination of iron(III)

Minghui Zhang, Baozhan Zheng, Hongyan Yuan, Dan Xiao

DOI:

10.4314/bcse.v24i1.52958

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Chemical and mineralogical characterization and ceramic suitability of raw feldspathic materials from Dschang (Cameroon)

D. Njoya, M. Hajjaji, C. Nkoumbou, A. Elimbi, M. Kwekam, A. Njoya, J. Yvon, D. Njopwouo

DOI:

10.4314/bcse.v24i1.52959

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Synthesis, characterization and electrochemistry of heterobimetallic complexes containing molybdenum(II) nitrosyl and manganese(II)-schiff base centers

R. Odhiambo, G.K. Muthakia, S.M. Kagwanja

DOI:

10.4314/bcse.v24i1.52960

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Synthesis and characterization of a heptadentate (N₄O₃) schiff base ligand and associated La(ІІІ), Sm(III) AND Gd(III) complexes, and a theoretical study

Sadegh Salehzadeh, Mehdi Bayat, Leila Davoodi, Reza Golbedaghi, Vida Izadkhah

DOI:

10.4314/bcse.v24i1.52961

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**Volatile constituents of Glechoma hirsute Waldst. & Kit. and G. hederacea L. (Lamiaceae)**

Niko Radulović, Nevenka Đorđević, Marija Marković, Radosav Palić

DOI:

10.4314/bcse.v24i1.52962

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New polyamides based on 1,3-bis(4-carboxy phenoxy) propane and hydantoin derivatives: synthesis and properties

Khalil Faghihi, Nasim Valikhani

DOI:

10.4314/bcse.v24i1.52963

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Preparation of diethyl malonate adducts from chalcone analogs containing a thienyl ring

Yakup Budak, M. Burcu Gürdere, Meryem Keçeci, Mustafa Ceylan

DOI:

10.4314/bcse.v24i1.52964

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Effect of side chain length on the stability and structural properties of 3-(2’,5’-dialkoxyphenyl)thiophenes: a theoretical study

Taye Beyene Demissie, Shimelis Admassie, Ahmed M. Mohammed, Wendimagegn Mammo

DOI:

10.4314/bcse.v24i1.52965

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Molecular interactions with reference to manifestation of solvation effects in binary mixtures of ethyl acetoacetate with some methane derivatives by physicochemical techniques

Mahendra Nath Roy, Lovely Sarkar, Rajani Dewan

DOI:

10.4314/bcse.v24i1.52966

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Evaluation of baicalin in Scutellaria baicalensis Georgi using HPLC method

Liao Weiping, Rui Yukui

DOI:

10.4314/bcse.v24i1.52967

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Indirect spectrophotometric determination of piroxicam and tenoxicam through oxidation with potassium permanganate

A.S. Amin, H.A. Dessouki, K.M. Khalil

DOI:

10.4314/bcse.v24i1.52969

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Determination of trace amounts of zinc by flame atomic absorption spectrometry after separation and preconcentration onto modified natural analcime zeolite loaded 2,3,5,6-tetra(2-pyridyl)pyrazine

A. Shokooh Saljooghi, S.J. Fatemi, D. Afzali

DOI:

10.4314/bcse.v24i1.52971

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Impact of environmental cadmium, lead, copper and zinc on quality of goat meat in Nigeria

C.O.B. Okoye, J.N. Ugwu, J.N. Ugwu

DOI:

10.4314/bcse.v24i1.52975

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Heavy metals burden in Kidney and heart tissues of Scarus ghobban fish from the eastern province of Saudi Arabia

Waqar Ashraf, Zahid Nazeer

DOI:

10.4314/bcse.v24i1.52977

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Physicochemical attributes of oils from seeds of different plants in Nigeria

Ibironke Adetolu Ajayi

DOI:

10.4314/bcse.v24i1.52980

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A convenient and efficient one-step method for the synthesis of dicompartmental ligands with hexa- and tetradentate coordination sites

Hamid Golchoubian, Hamid Reza Mardani

DOI:

10.4314/bcse.v24i1.52983

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