Volume 16 Issue 8

Published: 2025-06-25

Contents


Article
The Electrical Conductivity of Some Alkali Nitrates in Propanol-Water Mixtures at 298K

Ashur M. Dawod, Salem M. Khalil, Banan A. Akrawi,

The electrical conductivity of some symmetrical (1:1) alkali nitrates in different percentages of propanol-water mixtures at 298K have been measured. The results were analysed using Lee-Wheaton...

DOI: 10.33899/rjs.2005.42368

Pages: 155-164
The Electrical Conductivity of a Mixture of Both Symmetrical and Unsymmetrical Complexes in Methanol At 25 °C

Banan A. Akrawi,

We have measured the electrical conductivity of a mixture of both symmetrical and unsymmetrical complexes: {[Ni(en)3](N03)2} + {[Co(en)2Cl2]Cl} in methanol at 298K. The results are analysed using...

DOI: 10.33899/rjs.2005.42283

Pages: 22-34
Application of -Radiolysed Natural Silica on the Fractionation of Virgin Olive Oil

Akram A. Mohammed,

The study of -radiolysed natural Iraqi silica (Ninivite) as obtained from the main rocks indicated that as we increase the irradiation time, the ratio of amorphous silica to the crystalline one is...

DOI: 10.33899/rjs.2005.42313

Pages: 88-94
Study of Charge Transfer Complexes of salicylidene aliphatic amines with Eu(fod)3 in cyclohexane by U. V. spectroscopy

Isam J. Al-Nuri, Sadallah T. Sulaiman, Layla M.N. Saleem,

Salicylidene aliphatic amines in cyclohexane form 1:1 charge transfer complexes on addition of Eu(fod)3, indicated by the observation of a new band in their U.V. spectra located at longer...

DOI: 10.33899/rjs.2005.42309

Pages: 80-87
Effect of Substituents Type on the Adsorption of Aromatic Carboxylic Acids and their Relation to Concentration, Temperature and pH

Emad A. Al-Hyali, Omar M. Ramadhan, Safwan A. Al-Dobone,

The study involved investigation of the adsorption of aromatic carboxylic acids carrying various substituents such as OH, NH2 and SH. The effects of concentration, temperature and pH were induced....

DOI: 10.33899/rjs.2005.44945

Pages: 68-79
Square Wave Voltammetric Method for the Determination of Substituted Oxadiazol in Aqueous Solution

Eman I. Ahmed, Sadallah T. Sulaiman,

A rapid, sensitive and accurate method for the determination of substituted oxadiazol (I&II) has been developed based on the reduction of electroactive group (-C=S) at hanging mercury electrode...

DOI: 10.33899/rjs.2005.42269

Pages: 1-6
Diazotised p-Nitroaniline Reagent for the Determination of Trace Amounts of Salbutamol Sulphate in Aqueous Solution– Application to Pharmaceutical Preparations

Inaam A. Hamdon, Nabeel S. Othman,

A simple, rapid and sensitive spectrophotometric method for the determination of micro amounts of salbutamol sulphate in aqueous solution has been developed. The method is based on the coupling of...

DOI: 10.33899/rjs.2005.42304

Pages: 60-67
Flow Injection Analysis ( FIA) Technique as a Method for Determination of Hemoglobin (Total) Quantity

Amer Th. Al-Taee,

A new method for the determination of Hemoglobin quantity in human blood serum based on Flow Injection Analysis ( FIA) was described . This method is relay on the decrease in the reduction peak of...

DOI: 10.33899/rjs.2005.44952

Pages: 201-211
Synthesis and Characterization of Trinuclear Complexes and Adducts through Oxidative Addition Reaction of Thiuram Disulfide

Amena F. Al-Omari, Nabeel H. Buttrus,

Selenium metal react with (RNHC(S)S)2 when (R = Ph or o-EtPh) in refluxing toluene to give the compounds [Se{RNHC(S)S}4] in high yields. The new trinuclear complexes were prepared by the reaction...

DOI: 10.33899/rjs.2005.42364

Pages: 138-145
Radical Behavior Produced in -Irradiated Alanine and Phenylalanine Amino Acids Aqueous Solutions

Khalid Y. Al-Yamoor, Azhar A. Abdul-Rahman,

Radiolysis of alanine and phenylalanine in aqueous solutions containing NADH has been carried out at different gas saturation and pH. It has been found that the oxidation of NADH decreases by...

DOI: 10.33899/rjs.2005.42379

Pages: 186-192
Synthesis of some Azo Compounds Derived from Substituted 4`-Aminosulfonanilides

Haiffaa Y. Hussain, Kawther H. Al-Naimi, Mohammad A. Al-Iraqi,

The synthesis of azo compounds (9-11) has been achieved by reaction of diazonium salts of substituted 4`-aminosulfonanilides with some aromatic amines or phenols 4-Nitroaniline (1) is served as a...

DOI: 10.33899/rjs.2005.42345

Pages: 100-106
Synthesis of 1,2,4-Oxadiazolidine and Isoxazolidine Derivatives from Addition of Isocyanates and Alkenes to Nitrones

Namer S. Ezzat, Huda A. Basheer, Mohammad S. Al-Ajely,

Some new heterocyclic compounds of 1,2,4-oxadiazolidine-5-one derivatives [3a-m] were synthesized from the reaction of nitrone compounds with some isocyanates of amino acid esters in good yields....

DOI: 10.33899/rjs.2005.42279

Pages: 15-21
The Effect of Proteinous Compounds from Myrtus communis L. Fruit on Some Biochemical Parameters in Mice

Tareq Y. Ahmad,

Three compounds (A, B and C) were isolated by gel filtration chromatography of the precipitate produced by acetone precipitation of the aqueous extract of Myrtus communis L. fruits. Comparative...

DOI: 10.33899/rjs.2005.48831

Pages: 176-185
Nutritional Rickets in Northern Iraqi Children – Response to Vitamin D

Akram J. Ahmad, Samir B. Al-Mukhtar,

alkaline phosphatase (ALP) and albumin was studied on twenty seven rachitic children aged 6-60 months who attended the outpatient department in Al-Khansa maternity and children's Hospital in Mosul...

DOI: 10.33899/rjs.2005.42301

Pages: 54-59
Polarographic Measurement of Lactate Dehydrogenase Activity in Human Serum “Clinical Application

Hisham S. Hamdon, Talal S. Al-Najafi, Sadallah T. Sulaiman,

The paper reports a sensitive and rapid method for the measurement of Lactate Dehydrogenase activity (EC 1.1.1.27) in human serum. The method is based on the polarographic measurement in the...

DOI: 10.33899/rjs.2005.42340

Pages: 95-99
Construction of Multi-Electrodes Electrochemical Detection System for Flow-Injection Analysis (FIA): Application to Cu1+/Cu2+ Couple

Amer Th. Al-Taee, Sadallah T. Sulaiman,

A house-built multi-electrodes detector has been designed for flow-injection electrochemical analysis. The detection system constructed intwo part, the auxiliary electrode (1 mm diameter Pt wire),...

DOI: 10.33899/rjs.2005.42382

Pages: 193-200
Approaches to the Synthesis of Tetracyclic Quinone System Related to Anthracyclinone

Abdul Hakeem T. Mahmood, Badie A. Ahmed,

Synthesis of the tetracyclic quinone compound (10) is described. The synthetic route adopted involves: preparation of the precursor 2-(2-methoxy carbonyl benzoyl) 1,4-benzoquinone (7), Diels-Alder...

DOI: 10.33899/rjs.2005.42358

Pages: 126-132
Synthesis and Characterization of Some Zinc(II) and Cadmium(II) Complexes with Schiff Bases

Akram A. Mohammed,

A number of zinc(II) and cadmium(II) complexes with two Schiff base ligands have been prepared. The ligands derived from the condensation of furfuraldehyde with butylamine (FBA) and hexylamine...

DOI: 10.33899/rjs.2005.42362

Pages: 133-137
Coordination Compounds of Tin, Selenium and Bismuth. Complexes of Tin(IV), Selenium(IV) and Bismuth(III) with Schiff Bases

Amer A. Taqa,

Tin, selenium and bismuth metal complexes containing Schiff bases ligands derived from ortho-benzaldehyde, dimethyl ketone, diethyl ketone and di(o-aminophenyl) disulphide have been prepared from...

DOI: 10.33899/rjs.2005.42349

Pages: 107-117
Aging Effect in Different Aqueous Media on Thermal Stability of Epoxy Resin

Qais M. Abd Al-Hameed, Akram A. Mohamed,

ABSTRACT The present work deals with the influence of aging conditions on thermal stability of authentic epoxy resin exposed to different aqueous media. Thermogravimetric analysis (TGA) shows that...

DOI: 10.33899/rjs.2005.42355

Pages: 118-125
An Application of Lee-Wheaton Conductance Equation to Mixed (Symmetrical and Asymmetrical) Electrolytes in Methanol at Two Different Temperatures

Yaser O. Hameed, Banan A. Akrawi,

The applicability of (LW) Lee-Wheaton equation is tested for three mixtures I-[Ni(phen)3]Cl2 + KBr, II-[Co(phen)3]Cl2 + KBr at 298.16K and III-[Co(phen)3]Cl2 + KBr at 308.16K. From the association...

DOI: 10.33899/rjs.2005.42371

Pages: 165-175
Some Biochemical Studies on Serum of Duodenal Ulcer Patients Infected with Helicobacter pylori in Ninevah Governorate

Bahyj Y. Al-Khalil, Tareq Y. Ahmad, Layla A. Mustafa,

The research was concerned with biochemical studies in serum of duodenal ulcer (DU) patients. The present study included (152) patients (105 males and 47 females), their ages ranged between (15-56)...

DOI: 10.33899/rjs.2005.42289

Pages: 35-44
Synthesis of New Derivatives for Substituted Malonamic Acids

Mohammad A. Sheat,

A number of substituted malonamic acids derivatives were prepared by nucleophilic substitution reactions of substituted malonyl chlorides with phenyl carbamate followed by reaction of the products...

DOI: 10.33899/rjs.2005.42291

Pages: 45-53
Spectrophotometric Determination of Sulphamethazine by the Diazotisation-Coupling Method with m-Aminophenol as the Coupling Agent-Application to Pharamaceutical

tmad A. Taha,

A spectrophotometric method for the trace determination of sulphamethazine has been worked out. It is based on the reaction of sulphamethazine with sodium nitrite in acidic medium to form the...

DOI: 10.33899/rjs.2005.42274

Pages: 7-14
Unexpected Products in the Synthesis of Tetracyclic Anthrone Systems

Abdul Hakeem T. Mahmood, Badie A. Ahmed,

An unexpected bis-anthranol (11) was obtained in an attempt to synthesis 1,4-dimethxy anthrone (5a) as a precursor in the total synthesis of tetracyclic anthrone systems (7 and 8) related to...

DOI: 10.33899/rjs.2005.42367

Pages: 146-154