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Dive into the research topics where Fazlul Bari is active.

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Featured researches published by Fazlul Bari.


Hydrometallurgy | 2002

Kinetics of lanthanum(III) extraction from nitrate-acetato medium by Cyanex 272 in toluene using the single drop technique

Muhammad Idiris Saleh; Fazlul Bari; Sariff Jab; Bahruddin Saad

Abstract The rate of forward extraction of La(III) from nitrate-acetato medium by bis-(2,4,4-trimethylpentyl) phosphinic acid (Cyanex 272, H2A2) dissolved in toluene has been measured by the single drop technique. The rate of mass transfer per unit area is found to be proportional to [La(III)], [H2A2](o) and [H+]−1 at the interface. The forward extraction rate constant, kF, has been measured to be 10−7.0 m/s. From the temperature dependence of rate measurement, the values of Ea, ΔS±, ΔH± and ΔG300± are calculated to be 71 kJ/mol, −155 J/mol K, 69 kJ/mol and 115 kJ/mol, respectively. The rate expression can be written as; F La =10 −7.0 [ La 3+ ][ H 2 A 2 ] ( o ) [ H + ] ( i ) −1 kmol / m 2 s Analysis of the rate expression suggests that the formation of [La(HA2)]2+at interface from La3+and HA2− is the rate-determining step for the forward extraction of La(III). Negative entropy of activation suggests that the above rate-determining step occurs via the SN2 mechanism.


Advanced Materials Research | 2013

Kinetic and Thermodynamic Studies on Adsorption of Copper Ions onto Pomelo Peel (Citrus grandis)

Noorzahan Begum; Aimi Noorliyana; Fazlul Bari; Norzilah Abdul Halif; Nur Md Said Hidayah; Khairel Rafezi Ahmed

The ability of pomelo peel (PP) as natural adsorbent to remove Cu (II) ions from aqueous solution was investigated. The influence of solution pH, contact time and temperature were evaluated. Cu (II) removal increased as the pH of the solution increased and the maximum value reached at pH 6. The adsorption was relatively fast (30 min). Adsorption kinetics followed the pseudosecondorder model. At low temperature the adsorption was not affected but at high temperature it was reduced. PP is considered as low cost material that shows potential to be applied in wastewater technology for remediation of heavy metal contamination.


Analytica Chimica Acta | 2006

Selective removal of heavy metal ions using sol–gel immobilized and SPE-coated thiacrown ethers

Bahruddin Saad; Ching Ching Chong; Abdussalam Salhin Mohamad Ali; Fazlul Bari; Ismail Ab Rahman; Norita Mohamad; Muhammad Idiris Saleh


Hydrometallurgy | 2009

Extraction and separation of Cu(II), Ni(II) and Zn(II) by sol–gel silica immobilized with Cyanex 272

Fazlul Bari; Noorzahan Begum; Samsul Baharin Jamaludin; Kamarudin Hussin


Journal of Materials Science | 2009

Synthesis of sol-gel silica chemically bonded with cyanex 272 for the removal of Cu(II), Ni(II), and Zn(II)

Fazlul Bari; Noorzahan Begum; Shamsul Baharin Jamaludin; Kamarudin Hussin


International Journal of Physical Sciences | 2012

Solvent extraction of copper, nickel and zinc by Cyanex 272

Noorzahan Begum; Fazlul Bari; Shamsul Baharin Jamaludin; Kamaruddin Hussin


Advanced Materials Research | 2015

Biological Synthesis of Nanosilver by Using Plants

Mst Kamrun Nahar; Zarina Zakaria; U. Hashim; Fazlul Bari


Advanced Materials Research | 2015

Green Synthesis of Silver Nanoparticles Using Momordica Charantia Fruit Extracts

Mst Kamrun Nahar; Zarina Zakaria; U. Hashim; Fazlul Bari


APCBEE Procedia | 2012

Leaching Behaviour of Langkawi Black Sand for the Recovery of Titanium

Noorzahan Begum; Adilah Maisyarah; Fazlul Bari; Khairel Rafezi Ahmad; Nur Hidayah


Sains Malaysiana | 2017

Effect of pH and salt concentration on protein solubility of slaughtered and non-slaughtered broiler chicken meat

Mst Kamrun Nahar; Zarina Zakaria; U. Hashim; Fazlul Bari

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Noorzahan Begum

Universiti Malaysia Perlis

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Bahruddin Saad

Universiti Sains Malaysia

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Mst Kamrun Nahar

Universiti Malaysia Perlis

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U. Hashim

Universiti Malaysia Perlis

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Zarina Zakaria

Universiti Malaysia Perlis

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Kamarudin Hussin

Universiti Malaysia Perlis

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Sariff Jab

Universiti Sains Malaysia

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