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Browsing Issue 03 by Title

Browsing Issue 03 by Title

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  • Physicochemical Characterization of Groundwater in Urban Areas of Lahore, Pakistan, with Special Reference to Arsenic 
    GULRAIZ AKHTER; ZULFIQAR AHMAD; JAVED IQBAL; NAZIA SHAHEEN; MUNIR HUSSAIN SHAH (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-06-07)
    The current quality status of groundwater from Lahore was investigated using standard analytical methodologies. The physicochemical parameters included in the study were pH, alkalinity, electrical conductivity, TDS, hardness, ...
  • Quantification of V(IV)-Maltol Complex Using Cyclic Voltammetry 
    HUMERA ANWER; ZAHIDA TASNEEM MAQSOOD; SYED AZHAR ALI (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-06-05)
    Cyclic voltammetry is used in the present research work for the quantitative study of BMOV, (bis(maltolato)oxovanadium(IV)), the compound which shows insulin like properties. Electrochemical study of BMOV was done using ...
  • A Study of Cobalt Ions Removal from Aqueous Solutions by Sodium X-Zeolite 
    SHER AKBAR; TAJAMAL HUSSAIN SHAH; MUHAMMAD ANWAR; MUZAFFAR KHAN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-06-11)
    Investigations were made to determine the ion-exchange removal of cobalt ions from aqueous solutions over a pH range of 5.5-7.0 by synthetic zeolite NaX using the batch method with initial cobalt chloride solution concentration ...
  • Study of Hydrodynamic and Non-Hydrodynamic Interaction Parameters for Water / PVP / PVA Ternary System by Solution Viscometry 
    SHER AKBAR; GHULAM SARWAR (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-06-02)
    Polymer-Polymer interaction parameters from a water soluble polymer-blend solution have been determined by viscometry at 25°C. The ternary system assayed is distilled water poly (N-vinyl-2-pyrrolidone) (PVP)/Poly (vinyl ...
  • STUDY ON THE INCLUSION COMPLEXES OF FLUMORPH AND DIMETHOMORPH WITH Β-CYCLODEXTRIN TO IMPROVE FUNGICIDE FORMULATION 
    XIAO YU-MEI; WANG JIAN; WANG MING-AN; LIU JI-PING; YUAN HUI-ZHU; QIN ZHAO-HAI (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-06-17)
    The β-Cyclodextrin (β-CD) complexes of Flumorph and Dimethomorph have been investigated quantitatively by UV measurement. The results showed that the 1:1 inclusion complexes were formed and the formation constants reduced ...
  • Synthesis and Molecular Structure of Bis(4-methylpiperidino- dithiocarbamato)nickel(II) 
    EZZAT KHAN; AMIN BADSHAH; RHETT KEMPE (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-06-14)
    Reaction of 4-methylpiperidinodithiocarbamic acid (C₇H₁₂NS₂) and nickel bromide in 2:1 ratio carried out under mild reaction conditions, affords the Ni[ (C₇H₁₂NS₂)₂] complex, 2. The complex was studied in the solution state ...
  • Synthesis of Carbamate Derivatives of Biological Interest 
    SHAHNAZ PERVEEN; NASREEN FATIMA; KHALID MOHAMMED KHAN; AJMAL KHAN; MUHAMMAD ALI; MUHAMMAD IQBAL CHOUDHARY (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-06-12)
    A number of carbamates derivatives 1-12 were synthesized and evaluated for their antioxidant, urease inhibition, anticancer, antibacterial and antifungal activities. N-Ethylamine-N¢, N¢-diethyl carbamate (4), showed ...
  • Synthesis of Dye-sensitized Solar Cell Using Nickel- tetraphenylporphrine as a Sensetizer 
    FAWAD AHMED; MUHAMMAD ATHAR ABBASI; AZIZ-UR-REHMAN; MUHAMMAD ASLAM AWAN; MUHAMMAD ASIF IQBAL; SYEDA AMBAR YOUSAF; MUHAMMAD JAVED IQBAL; VIQAR UDDIN AHMAD (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-06-03)
    A dye-sensitized solar cell was prepared under facile conditions. For this, a wide range of metalloporphrines was investigated and consequently Ni-tetraphenylporphrine was selected because it gave the maximum output in ...
  • AN UPDATE OF TERPENOIDS, STEROIDS AND BIODIVERSITY OF SEAWEEDS FROM THE COAST OF PAKISTAN 
    ABDUL MAJEED KHAN (HEJ Research Institute of Chemistry, University of Karachi, Karachi., 2010-06-19)
    This review article presents the comprehensive update of the ecology, biodiversity and importance of seaweeds. In addition, the article also presents the terpenoidal and steroidal compounds isolated from seaweeds of the ...

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