• A FACILE AND EFFICIENT APPROACH TO THE SYNTHESIS OF 2,6-DIACETYLPYRIDINE 

  Guangyong, Xie; Haitao AI; Lu Lei; Dongfang Zhang (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2009-08-20)

  2,6-Diacetylpyridine was synthesized via esterification by using pyridine-2,6-dicarboxylic acid as precursor and successive Claisen condensation promoted by sodium for the first time. Compared with traditional sodium ...
• Comparative Vapour Phase FTIR Studies and Vibrational Assignment of Cyclopentadienyl-manganese-tricarbonyl and Methylcyclopentadienyl-manganese-tricarbonyl 

  Zahid Mahmood; Syeda Robina, Gillani (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2009-08-20)

  The FTIR spectra in solution and vapour phase of the compounds, cyclopentadienyl manganese tricarbonyl (η-C₅H₅)Mn(CO)₃and methylcyclopentatadieny l manganese tricarbonyl (η-C₅H₄CH₃)Mn(CO)₃ were measured in the region ...
• Sewage Water Pollutants Removal Efficiency Correlates to the Concentration Gradient of Amendments 

  Zulfiqar Ahmad, Bhatti; Qaisar Mahmood; Iftikhar Ahmad, Raja (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2009-08-20)

  Three coagulants viz. alum, FeClG₃, and Moringa oleifera seed extract were compared for treating municipal wastewater. The wastewater samples were collected from a drain near the Murree Road in Abbottabad city. The initial ...
• The Distances of the Closest Approach and of the Reaction Site-From the Electrode-for Adiabatic Heterogeneous Electron Transfer. The Case of Pyridinium (Mono) Cations 

  MAHBOOB MOHAMMAD (Karachi: The Chemical Society Of Pakistan, 2009-12-20)

  In investigating the heterogeneous electron transfer process in some pyridinium compounds, those physical (distance) parameters were investigated which could be relevant to the adiabaticity of a heterogeneous electron ...
• Secondary Metabolites from Alhagi maurorum 

  SAEED AHMAD; IRSHAD AHMAD; MUHAMMAD SALEEM; ABDUL JABBAR; NISAR-UR-REHMAN; SYED SAEED-UL-HASSAN; KANWAR SALEEM AKHTAR; MUHAMMAD IQBAL CHOUDHARY (Karachi: The Chemical Society Of Pakistan, 2009-12-19)

  Eight compounds have been isolated for the first time from Alhagi maurorum namely, β- sitosterol, cinnamic acid, p-coumaric acid, 4-hydroxybenzoic acid, 3'-O-methylorobol, Methyl β-D-glucopyranoside, β-sitosterol ...
• Chemical Composition of Volatile Fraction of Pakistani Peanut and its Antiradical Activities 

  MUHAMMAD ATHAR ABBASI; TAUHEEDA RIAZ; FARHAN MEHMOOD KHAN; AZIZ-UR-REHMAN; DURRE SHAHWAR; NAEEM AHMAD; TAYYABA SHAHZADI; MUHAMMAD AJAIB; VIQAR UDDIN AHMAD (Karachi: The Chemical Society Of Pakistan, 2009-12-18)

  Arachis hypogaea Linn. (peanut or groundnut) is an economically important crop. Thousands of peanut cultivars are grown in the world and studies have been carried out on these but, to the best of our knowledge, no salient ...
• Isolation and Characterization of Chromium, Mercury and Cadmium Resistant Bacteria 

  KHALID PERVEZ BHATTI; ALI RAZA NOOR (Karachi: The Chemical Society Of Pakistan, 2009-12-15)

  Ten heavy metal resistant strains were isolated from samples of soil, water and rhizosphere of plant Cynadon Dectylon of Kasur sector. Among these bacteria, four strains Cr-1, Cr¬2, Cr-3 & Cr-4 were showed the resistant ...
• Comparison of the Products Distribution of the Pyrolysis of Paper with Its Oxidative Cracking 

  SHAHNAZ PERVEEN; ZAHID HUSSAIN; KHALID MOHAMMED KHAN (Karachi: The Chemical Society Of Pakistan, 2009-12-14)

  Paper is a cleaner biomass and has been converted into useful products by its pyrolytic and oxidative cracking. Its oxidative cracking was an attempt for the product selective cracking. It is a hydrothermal cracking at ...
• Analysis of Silymarin and Oil Contents in the Seeds of Silybum marianum Collected From Different Regions of NWFP Pakistan 

  IQBAL HUSSAIN; HAMAYUN KHAN; FARHAT ALI KHAN; ABDUL LATIF KHAN; M. IQBAL KHAN; MURTAZA HUSSAIN; LAJBER KHAN; GUL AKHTER MARWAT (Karachi: The Chemical Society Of Pakistan, 2009-12-13)

  Silybum marianum, a wild medicinal plants containing Silymarin, which is a known drug, used as the hepatoprotective agent of the liver. S. marianum growing in different areas of NWFP were collected and analyzed for the ...
• Gas Chromatography Mass Spectrometric Quantitative Determination of Product Distribution of Paper Pyrolysis with Solid Acids at Low Temperature 

  SHAHNAZ PERVEEN; ZAHID HUSSAIN; KHALID MOHAMMED KHAN (Karachi: The Chemical Society Of Pakistan, 2009-12-17)

  Paper was pyrolyzed at low temperature (300 "C) both in the absence and presence of catalysts. The liquid products were collected and characterized by using GC/MS. Boric acid and aluminum sulphate acting as catalysts were ...
• STRUCTURE ELUCIDATION OF CHROMOGEN RESULTING FROM JAFFE'S REACTION 

  ISHTIAQ HUSSAIN; MUHAMMAD ILYAS TARIQ; HAMID LATIF SIDDIQUI (The Pakistan Society Of Biochemists, 2009-12-16)

  Jaffe’s reaction is a reaction of creatinine with alkaline picric acid resulting in red chromogen. This color is being used widely for the estimation of creatinine in biological fluids without knowing the exact structure ...
• Instrumental Neutron Activation Analysis of Proposed Marine Sediment Reference Material (Iaea-158) 

  NAILA SIDDIQUE; SHAHIDA WAHEED (Karachi: The Chemical Society Of Pakistan, 2009-12-12)

  IAEA-158, sediment prepared by the International Atomic Energy Agency - Marine Environmental Laboratory (IAEA-MEL), Monaco was received under the IAEA Analytical Quality Control Services (AQCS) Intercomparison Programme. ...
• Reduction of Aflatoxin-B1 and Ochratoxin-A levels in Polished Basmati Rice (Oryza saliva Linn.) by Different Cooking Methods 

  ARSHAD HUSSAIN; GHOSIA LUTTFULLAH (Karachi: The Chemical Society Of Pakistan, 2009-12-11)

  Rice (Oryza saliva Linn.) is one of the basic diets of Pakistan. The aim of present study was to evaluate the effect of different cooking methods on the levels of aflatoxin-B, (AFB,) and ochratoxin-A (OTA). For this purpose ...
• Synthesis and Characterization of Silver Hexacyanoferrate(II)/ Polyaniline Composites 

  FARAH KANWAL; SAIRA ISHAQ; TAHIR JAMIL (Karachi: The Chemical Society Of Pakistan, 2009-12-10)

  Silver hexacyanoferrate(II)/conducting polyaniline composite was synthesized in two steps process; In the first step, silver hexacyanoferrate(III) was synthesized by reaction of K3[Fe(CN)6] and AgNO3, solutions. In the ...
• Synthesis, Characterization and Metal Uptake Study of Cu and Cd on Poly-5, 5'- Methylene-bis-(2-Hydroxy Benzaldehyde) Ethylenediimine 

  MUHAMMAD YAR KHUHAWAR; AMBREEN SHAH; ASIF ALI SHAH (Karachi: The Chemical Society Of Pakistan, 2009-12-09)

  The Schiff base polymer derived from ethylenediamine and 2-hydroxybenzaldehyde with formaldehyde (o-HBED-HCHO) formed chelates with Cu (II) and Cd (II) metal ions. The formation of Schiff base, resin and the polychelates ...
• Synthesis and Spectroscopic Studies of Some Novel 4-Substitued f3-Diketo-Anils in Free and in Coordinated Forms 

  SYEDA RUBINA GILANI; ATIKA MAHMOOD BAIG; MARYAM SABA; ZAID MAHMOOD (Karachi: The Chemical Society Of Pakistan, 2009-12-08)

  The Schiff bases of activated anilines with p-diketone have been synthesized. The electron donating effects of methyl, methoxy and chloro groups, before and after coordination, were studied with the help of vibrational ...
• Vibrational Spectroscopic Investigation of Some Hofmann-Td Type Complexes: Ni(1-Phenylpiperazine)2M(CN)4 (M = Cd or Hg) 

  CEMAL PARLAK; OZGUR ALVER; MUSTAFA ENYEL (Karachi: The Chemical Society Of Pakistan, 2009-12-07)

  New Hofmann-Tᵈ type complexes in the form of Ni(pp)2M(CN)4 (where pp = 1-Phenylpiperazine and M = Cd or Hg) have been prepared in powder form and their infrared (4000-100 cm') and Raman (2800-1650 cm"') spectra have been ...
• Synthesis and Characterization of Polyaniline/Wood and Polyaniline/Carbon Composites 

  FARAH KANWAL; SAADAT ANWAR SIDDIQI; SAHAR TASLEEM; GHULAM SAKINA; TAHIR JAMIL (Karachi: The Chemical Society Of Pakistan, 2009-12-06)

  Conducting polymers have shown many applications in the field of nanoscience, nanotechnology and nuclear science. Polyaniline (PANI) is the most studied conducting polymer due to its environmental stability, easy availability ...
• Removal of Cu (II) Ions from Aqueous Solutions by Turmeric Powder 

  AMTUL-QAYOOM; SYED ARIF KAZMI; NAUSHABA-RAFIQ (Karachi: The Chemical Society Of Pakistan, 2009-12-05)

  Copper is an essential nutrient, but it is toxic at high intake levels. The presence of copper(II) ions causes serious toxicological concerns, it is usually known to deposit in brain, skin, liver, pancreas and myocardium. ...
• Synthesis and Characterization of Cui11V6O26 as High—Capacity Cathodes for Lithium Secondary Batteries via a Wet—Chemistry Route 

  CHAO YUAN; BINQIANG MA; XIN LI; SUHONG LU; XIAOYU CAO (Karachi: The Chemical Society Of Pakistan, 2009-12-04)

  The cathode material of Cu11 V6 026 has been synthesized for the lithium secondary batteries via the wet-chemistry method. The as-prepared powders were characterized by powder X-ray diffraction (XRD), scanning electron ...

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