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Abridge Profile

About Me

Professor U. J Ibok has distinguished himself in the academic world which he rose to the rank of Professor of Applied Chemistry. As a seasoned administrator, he has held several administrative positions within the university setup in particular and the extended community in general.

Qualifications

<ul>
	<li style="text-align:justify">Doctor of Philosophy (Ph.D.) in Chemical metallurgy, University College, Cardiff, Wales – UK, 1965</li>
	<li style="text-align:justify">Bachelor of Science (B.Sc.) in Chemistry (Second Class Upper [2:1]), ABU, Zaria – Nigeria, 1975</li>
</ul>

Professional Memberships and Activities

<ol style="list-style-type:lower-alpha">
	<li style="text-align:justify">Fellow, Chemical Society of Nigeria</li>
	<li style="text-align:justify">Fellow, Institute of Chartered Chemists of Nigeria</li>
	<li style="text-align:justify">Fellow, Institute of Operations Research of Nigeria</li>
	<li style="text-align:justify">Member, South Wales Metallurgical Society</li>
	<li style="text-align:justify">Member, Institution of Metallurgists, London (MIM)</li>
	<li style="text-align:justify">Associate Member, Institution of Mining and Metallurgy, London</li>
	<li style="text-align:justify">Member, Nigerian Mining and Geosciences Society (MNMGS)</li>
	<li style="text-align:justify">Member, Newport and District Metallurgical Society</li>
	<li style="text-align:justify" value="1">Member, Science Association of Nigeria</li>
	<li style="text-align:justify" value="10">Member, Nigerian Society for Biological Conservation</li>
	<li style="text-align:justify">Member, Nigerian Environmental Society</li>
</ol>

Expertise

<ul>
	<li style="text-align:justify">Atmospheric Chemistry </li>
	<li style="text-align:justify">Environmental Chemistry</li>
	<li style="text-align:justify">Physical Chemistry</li>
	<li style="text-align:justify">Chemical Sciences</li>
	<li style="text-align:justify">Corrosion Studies</li>
	<li style="text-align:justify">Material Science</li>
	<li style="text-align:justify">Thermal Analysis</li>
</ul>

Research Interests

Environmental Pollution; Indoor Air Quality Monitoring; International Environmental Law; Corrosion Studies; Sustainable Development; Oil & Gas, Environment.

List of Publications

<ol>
	<li style="text-align:justify; margin-left:8px">R. Rawlings and U. J. Ibok (1974).  “Gaseous reduction of Cassiterite” Transaction, Institution of Mining and Metallurgy.  Trans. Inst. Min. Met. London, Vol. 83 pp. C186 – 190.</li>
</ol>

<ol start="2">
	<li style="text-align:justify; margin-left:8px">R. Rawlings and U. J. Ibok (1976).  “Cementation of Tin by aluminium”.  Trans., Inst. Min. Met. London, Vol. 85 pp. C45 – 48.</li>
</ol>

<ol start="3">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok and R. Rawlings (1980).  “Gaseous reduction of Nigerian Cassiterite”.  Journal of Mining and Geology – J. Min. Geol. Vol. 17, No. 1, pp. 13 – 21.</li>
</ol>

<ol start="4">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok (1981).  “Reduction-Leach-Cementation process for extraction of Tin”.  J. Min. Geol. Vol. 18, No. 1, pp. 218 – 223.</li>
</ol>

<ol start="5">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok, U. J. Ekpe and E. J. Essien (1981).  “Advances in iron and steel manufacture: I-Metallurgical fuels and direct reduction processes”.  J. Min. Geo. Vol. 18, No. 1, pp. 224 – 227.</li>
</ol>

<ol start="6">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok, K. Singh and J. U. Ojonuba (1981).  Analysis of laterite and primitive iron-making slags around Samaru”.  Nigerian Journal of Natural Sciences Vol. 3, Nos. 1 & 2, pp. 171 – 177.</li>
</ol>

<ol start="7">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok and R. Rawlings (1982).  “Effect of cassiterite grain size and its rate of reduction by hydrogen”.  Trans. Inst. Min. Met., London Vol. 91, pp. C93 - 94.</li>
</ol>

<ol start="8">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok and R. Rawlings (1982).  “Reduction-leach-cementation process for low grade tin concentrate”.  Trans. Inst. Min. Met., Vol. 91, C. 95.</li>
</ol>

<ol start="9">
	<li style="text-align:justify; margin-left:8px">U. J. Ekpe, U. J. Ibok and R. D. Walker (1989).  “The influence of slaked lime additions on the clustering behaviour of Nimba iron ore pellets”.  J. Min. Geol. Vol. 25, Nos. 1 & 2, pp. 295 – 298.</li>
</ol>

<ol start="10">
	<li style="text-align:justify; margin-left:8px">J. N. Akanya, H. O. Akanya and U. J. Ibok (1989).  “Mineralogical studies of some Nigerian Soils”.  Nig. J. Tech. Res. Vol. 1, pp. 37 – 45.</li>
</ol>

<ol start="11">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok, E. D. Udosen and O. M. Udoidiong (1989).  “Heavy metals in fishes from some streams in Ikot Ekpene area of Nigeria”.  Nig. J. Tech. Res. Vol. 1, pp. 61 – 68.</li>
</ol>

<ol start="12">
	<li style="text-align:justify; margin-left:8px">U. J. Ukpabio and U. J. Ibok (1989).  “Electrical properties of nickel phosphate membrane: capacitance, resistance and impedance measurements”.  Trop. J. Appl. Sc. Vol.1, No. 1, pp. 42 – 48.</li>
</ol>

<ol start="13">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok, U. J. Ekpe and G. J. Ukobo (1990).  “Effect of some additives on the degradation of starch adhesives”.  Trop. J. Appl. Sc. Vol 1 No. 1, pp. 22 – 24.</li>
</ol>

<ol start="14">
	<li style="text-align:justify; margin-left:8px">O. D. Ekpa and U. J. Ibok (1990).  “Simple method for producing adhesives from hevea crumb (Hevea braziliensis)”.  Trop. J. Appl. Sc. Vol. 1 No. 1, pp. 53 -55.</li>
</ol>

<ol start="15">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok, U. J. Ekpe and I. E. Uwah (1990).  “Optimum calcination conditions for Mfamosong, Jakura and Okpella limestones”.  Nig. J. Tech. Res. Vol. 2 No. 1, pp. 13 – 17.</li>
</ol>

<ol start="16">
	<li style="text-align:justify; margin-left:8px">E. D. Udosen, E. I. Udosen and U. J. Ibok (1990).  “Evaluation of some metals in the industrial wastes from a paint industry and their environmental pollution implications”.  Nig. J. Tech. Res. Vol. 2, No. 1, pp. 71 – 77.</li>
</ol>

<ol start="17">
	<li style="text-align:justify; margin-left:8px">L. O. Nelson, R. K. Sood and U. J. Ibok (1990).  “Non-wheat composite flours for baked products”.  Patent with the Federal Government of Nigeria.  Patent No. RP, 10743.</li>
</ol>

<ol start="18">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok, E. D. Udosen and O. M. Udoidiong (1991).  “Heavy metal levels in water and fish from streams in Ikot Ekpene (Nigeria)”.  Transactions Nigerian Soc. for Biol. Conserv. Vol. 2, pp. 130 – 143.</li>
</ol>

<ol start="19">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok and R. D. Walter (1992).  “Kinetics of reduction of slaked-lime fluxed Itakpe and Nimba iron ore compacts”.  J. Min. Geol. Vol. 28, No. 2, pp. 303 – 308.</li>
</ol>

<ol start="20">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok and U. J. Ekpe (1992).  “Rate controlling factors in the cementation of tin on aluminium from acidified stannous chloride solution”.  Trop. J. Appl. Sc. Vol. 2, pp. 28 – 38.</li>
</ol>

<ol start="21">
	<li style="text-align:justify; margin-left:8px">O. D. Ekpa and U. J. Ibok (1992).  “Production and properties of cassava starch dextrin adhesives”.  Tropical Journal of Applied Sciences Vol. 2, pp. 1 – 7.</li>
</ol>

<ol start="22">
	<li style="text-align:justify; margin-left:8px">N. T. Akinchan, R. Akinchan, U. J. Ibok, L. P. Battaglia, A. Bonamartini Corradi and P. Drozdzewski (1992).  “Synthesis, spectroscopic characterization of thiosemicarbazone complexes of nicked (II) and X-ray structures of anisaldehyde thiosemicarbazone (ATSZH) and bis (tolualdehyde) nickel (II)”.  Journal of Crystallgraphic and Spectroscopic Research, N. Y. Vol. 22, 6, pp. 741 – 753.</li>
</ol>

<ol start="23">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok (1993).  “Kinetics and mechanism of cementation of tin on aluminium from acidified stannous chloride solution”.  Trop. J. Appl. Sc. Vol. 3, pp. 18 – 25.</li>
</ol>

<ol start="24">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok, U. J. Ekpe, O. U. Abakedi and O. E. Offiong (1993).  “Inhibition of the corrosion of aluminium in hydrochloric acid solution by aromatic thiosemicarbazone derivatives”.  Trop. J. Appl. Sc. Vol. 3, pp. 54 – 62.</li>
</ol>

<ol start="25">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok and U. J. Ekpe (1993).  “Moderate temperature reduction of Cambourne and Nigerian cassiterite concentrate and synthetic tin oxide by hydrogen”.  J. Min. Geol. Vol. 29, No. 2, pp. 125 – 135.</li>
</ol>

<ol start="26">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok and O. R. Ogar (1994).  “Physico-chemical and microbiological studies of water quality in the Calabar River”.  Unical Quarterly Vol. 1, pp. 7 – 12.</li>
</ol>

<ol start="27">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok, E. A. Okon and E. D. Udosen (1994).  “Heavy metal concentrations in water and sediments from the Cross River and Oku Iboku Creeks of Nigeria”.  Unical Quarterly Vol. 1, pp. 67 – 71.</li>
</ol>

<ol start="28">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok and U. J. Ekpe (1993).  “The mechanism of gaseous reduction of tin oxides”.  J. Min. Geol. Vol. 29 (1), pp. 51 – 56.</li>
</ol>

<ol start="29">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok and U. J. Ekpe (1993).  “Reduction of Nigerian cassiterite concentrate by reformed natural gas”.  J. Min. Geol. Vol. 30, No 2, pp. 125 – 130.</li>
</ol>

<ol start="30">
	<li style="text-align:justify; margin-left:8px">U. J. Ekpe, E. E. Ebenso and U. J. Ibok (1994).  “Inhibitory action of Azadirachta Indica leaves extract on corrosion of mild steel in tetraoxosulphate   acid”.  Journal of West Africa Science Association (JWASA) Vol. 37, pp. 13 – 30.</li>
</ol>

<ol start="31">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok, R. K. Sood and L. O. Nelson (1992).  “Sorghum/Soybean flour mixture – An alternative to wheat in Baked products”.  The 5th ICCA Proceedings.  BOTSWANA, AFRICA (Referred Proceedings).</li>
</ol>

<ol start="32">
	<li style="text-align:justify; margin-left:8px">R. K. Sood, U. J. Ibok and L. O. Nelson (1992).  “Getatinization of Sorghum/Soybean mixtures”.  The 5th ICCA Proceedings.  BOTSWANA, AFRICA (Referred Proceedings).</li>
</ol>

<ol start="33">
	<li style="text-align:justify; margin-left:8px">R. K. Sood and U. J. Ibok (1992).  “Photo and Thermal Decomposition of Iron Azide”.  The 5th ICCA Proceedings.  BOTSWANA, AFRICA (Referred Proceedings).</li>
</ol>

<ol start="34">
	<li style="text-align:justify; margin-left:8px">B. I. Ita, U. J. Ekpe and U. J. Ibok (1994).  “The study of corrosion inhibition of mild steel in hydrochloric acid solutions by methyl and phenyl derivatives of thiosemicarbazome using thermometric method”.  J. Appl. Chem. & Agric. Res. Vol. 1 No. 1, pp. 12 – 18.</li>
</ol>

<ol start="35">
	<li style="text-align:justify; margin-left:8px">Eno E. Ebenso, U. J. Ekpe and U. J. Ibok (1998).  “Studies on the inhibition of mild steel corrosion by some plant extracts in acidic medium”.  Discovery and Innovation Vol. 10 Nos. 1 & 2, pp. 52 – 59.</li>
</ol>

<ol start="36">
	<li style="text-align:justify; margin-left:8px">O. E. Offiong, N. T. Akinchan and U. J. Ibok (1993).  “Synthesis, stereochemical characterization and antimicrobial activity of pyridoxal semicarbazone transition metal complexes”.  Journal of Agric. Science and Technology (J. Agr. Sc. Tech) 3 (1), pp. 80 – 86.</li>
</ol>

<ol start="37">
	<li style="text-align:justify; margin-left:8px">O. E. Offiong, U. J. Ibok and N. T. Akinchan (1993).  “Metal Complexes of Benzoin Thiosemicarbazone.  The Synthesis, Characterization and Antmicrobial Activity”.  J. Agr. Sc. Tech., 3 (1), pp. 72 – 79.</li>
</ol>

<ol start="38">
	<li style="text-align:justify; margin-left:8px">E. B. Ekanem, P. E. Asuquo, A. S. Ekpo and U. J. Ibok (1995).  “The effect of application of fertilizer on the quality of starch from improved variety of cassava TMS 4 (2) 1425”.  J. Sc. Ed. & Humanities Vol. 1, No. 1, pp. 75 – 83.</li>
</ol>

<ol start="39">
	<li style="text-align:justify; margin-left:8px">U. J. Ekpe and U. J. Ibok (1997).  “Metallurgical and microstructural changes accompanying slaked lime additions to Itakpe and Nimba iron ore concentrates”.  J. Min. Geol. Vol. 33, No. 1, pp. 39 – 43.</li>
</ol>

<ol start="40">
	<li style="text-align:justify; margin-left:8px">B. I. Ita, U. J. Ekpe and U. J. Ibok (1998).  “Symthesis of nanocrystalline   -Fe203 from iron(III) citrate precursor using sol-gel method”.  J. Chem. Soc. Nig. Vol. 23, pp. 19 – 20.</li>
</ol>

<ol start="41">
	<li style="text-align:justify; margin-left:8px">O. R. Ogri, U. J. Ibok and I. Ogbuagu (1998).  “A study of trace metal levels in soils around the Calabar Cement Company (CALCEMCO), Nigeria during the rainy season”.  Int. J. Env. Educ. & Inf. Vol. 17, No. 1, pp. 91 – 98.</li>
</ol>

<ol start="42">
	<li style="text-align:justify; margin-left:8px">B. O. Ekpo and U. J. Ibok (1998).  “Seasonal variation and partition of trace metals (Fe, Zn, Cu, Mn, Cr and Pb) in surface sediments: relationships with physico-chemical variables of water from the Calabar River, South Eastern Nigeria”.  Env. Geochem. & Health Vol. 20, pp. 113 – 121.</li>
</ol>

<ol start="43">
	<li style="text-align:justify; margin-left:8px">B. O. Ekpo and U. J. Ibok (1999).  “Temporal variation and distribution of trace metals in fresh water and fish from Calabar River, S. E. Nigeria”.  Env. Geochem. & Health Vol. 21, pp. 51 – 66.</li>
</ol>

<ol start="44">
	<li style="text-align:justify; margin-left:8px">E. E. Ebenso, U. J. Ekpe, O. D. Ekpa, U. J. Ibok, B. S. Antai and J. E. Asuquo (1999).  “Physico-chemical studies of some naturally occurring exudate gums from Southern Nigeria – Part 2”.  Integrated J. Science & Engr. Vol. 2, No. 1, pp. 7 – 13.</li>
</ol>

<ol start="45">
	<li style="text-align:justify; margin-left:8px">E. E. Ebenso, U. J. Ekpe, B. I. Ita, O. E. Offiong and U. J. Ibok (1999).  “Effect of molecular structure on the efficiency of amides and thiosemicarbazones used for corrosion inhibition of mild steel in hydrochloric acid”.  Materials Chem. & Phys. Vol. 60, pp. 79 – 90.</li>
</ol>

<ol start="46">
	<li style="text-align:justify; margin-left:8px">B. I. Ita, U. J. Ekpe and U. J. Ibok (2000).  “Synthesis and Electron microscope studies of nanostructured LarSrxCoO3 (x = 0,0,0.3,0.5)”.  Global J. Pure & Applied Sciences, Vol. 6, No. 1, pp. 61 – 65.</li>
</ol>

<ol start="47">
	<li style="text-align:justify; margin-left:8px">B. O. Ekpo, U. J. Ibok and N. D. Umoh (2000).  “Geochemical evaluation of suitability of sites for hazardous waste disposal: a case study of recent and old waste-disposal site in Calabar Mumicipality, S. E. Nigeria”.  Env. Geol. Vol. 39, No. 11, pp. 1286 – 1294.</li>
</ol>

<ol start="48">
	<li style="text-align:justify; margin-left:8px">E. E. Ebenso, P. C. Okafor, O. E. Offiong, B. I. Ita, U. J. Ibok and U. J. Ekpe (2001).  “Comparative investigation into the kinetics of corrosion inhibition of aluminium alloy AA060 in acidic medium”.  Bulletin of Electrochem. Vol. 17, No. 10, pp. 459 – 464.</li>
</ol>

<ol start="49">
	<li style="text-align:justify; margin-left:8px">L. E. Attah, M. I. Oden and U. J. Ibok (2001).  “Brick forming properties of Odukpani clay deposits from physical, mechanical and mineralogical studies”.  West African Journal of Research and Development in Education Vol. 8 (1), pp. 93 – 98.</li>
</ol>

<ol start="50">
	<li style="text-align:justify; margin-left:8px">E. R. Akpan, U. J. Ekpe and U. J. Ibok (2002).  “Heavy metal trends in the Calabar River, Nigeria”.  Nigeria. Env. Geol. Vol. 42, pp. 47 – 51.</li>
</ol>

<ol start="51">
	<li style="text-align:justify; margin-left:8px">O. R. Ogri, U. J. Ibok and J. O. Offem (2002).  “Ecological risk assessment of heavy metals in Great Qua River Estuary, South Eastern (SE) coast of Nigeria”.  Afr. J. Environ. Pollut. Health. Vol. 2, No. 1, pp. 1 – 10.</li>
</ol>

<ol start="52">
	<li style="text-align:justify; margin-left:8px">E. E. Ebenso, U. J. Ekpe, U. J. Ibok and A. I. Onuchukwu (2003).  “The joint effects of halide ions and methylene blue on the corrosion inhibition of aluminium and mild steel in acidic corrodent”.  J. Chem. Soc. Nig. Vol. 28, No. 1.</li>
</ol>

<ol start="53">
	<li style="text-align:justify; margin-left:8px">P. C. Okafor, E. E. Ebenso, U. J. Ibok, U. J. Ekpe and M. I. Ikpi (2003).  “Inhibition of 4-acetamidivaniline on corrosion of mild steel in HCl solutions”.  Trans. SEAST Vol. 38, pp. 91 – 96.</li>
</ol>

<ol start="54">
	<li style="text-align:justify; margin-left:8px">E. E. Ebenso, U. J. Ibok, U. J. Ekpe, S. Umoren, Ekerete Jackson, O. K. Abiola, N. C. Oforka and S. Martinez (2004).  “Corrosion studies of some plant extracts on aluminium in acidic medium”.  Trans. SEAST Vol. 39, pp. 117 – 123.</li>
</ol>

<ol start="55">
	<li style="text-align:justify; margin-left:8px">I. E. Uwah, U. J. Ibok, U. J. Ekpe and R. A. Etiuma (2004).  “Comparative study of rainwater quality at Iko, Etch and Calabar, S. E. Nigeria”.  Afr. J. Environ. Pollut. Health Vol. 3, pp. 1 – 5.</li>
	<li style="text-align:justify; margin-left:8px">56.       K. A. Ibe, J. O. Offem, U. J. Ibok, T. Nganje and E. R. Akpan (2005).  “Polycyclic aromatic hydrocarbon flux in the Qua Iboe River system South Eastern Nigeria”.  Afr. J. Environ. Pollut. Health Vol. 4, pp. 44 – 45.</li>
</ol>

<ol start="57">
	<li style="text-align:justify; margin-left:8px">O. R. Ogri, F. E. Asuquo and U. J. Ibok (2006).  “Distribution and sources of polyaromatic hydrocarbons (PAHs) in surface sediments of Great Kwa River Nigeria”.  Bull. Environ. Contam. Toxicol. Vol. 77, pp. 868 – 873.</li>
</ol>

<ol start="58">
	<li style="text-align:justify; margin-left:8px">P. C. Okarfor, U. J. Ekpe, U. J. Ibok, B. O. Ekpo, E. E. Ebenso and C. O. Obadimu (2009).  “Atmospheric corrosion of mild steel in the Niger Delta Region of Nigeria: Part 1: Characterization of the Calabar, Cross River State environment”.  Global Journal of Environmental Sciences 8(1), pp. 9 – 18.</li>
</ol>

<ol start="59">
	<li style="text-align:justify; margin-left:8px">Nnabuk O. Eddy, Udo. J. Ibok, Eno E. Ebenso, Ahmed El Nemr and El Sayed H. El Ashry (2009)  “Quantum chemical study of the inhibition of the corrosion of mild steel in H2SO4 by some antibiotics”.  J. Mol. Model Vol. 15, pp. 1085 – 1092.</li>
</ol>

<ol start="60">
	<li style="text-align:justify; margin-left:8px">Nnabuk O. Eddy, Eno E. Ebenso and Udo J. Ibok (2009).  “Adsorption, synergistic inhibitive effect and quantum chemical studies of ampicilin (AMP) and halides for the corrosion of mild steel in H2SO4”.  J. Appl. Electrochem. Vol. 40, pp. 445 -456 (Published online 10 October, 2009).</li>
</ol>

<ol start="61">
	<li style="text-align:justify; margin-left:8px">Nnabuk O. Eddy, Udo J. Ibok and Benedict I. Ita (2011).  QSAR and quantum chemical studies on the inhibition potentials of some amino acids for the corrosion of mild steel in H2SO4.  Journal of Computational Methods in Sciences and Engineering 11, pp. 25-43.</li>
</ol>

<ol start="62">
	<li style="text-align:justify; margin-left:8px">I. O. Isaac, Z. Lipcsey and U. J. Ibok (2011).  Nonoscillatory and Oscillatory criteria for First Order nonlinear neutral impulsive differential equations.  Journal of Mathematics Research 3(2), 52-65.</li>
</ol>

<ol start="63">
	<li style="text-align:justify; margin-left:8px">I. O. Isaac, Z. Lipcsey and U. J. Ibok (2011).  Oscillatory Conditions on Both Directions for a Nonlinear Impulsive Differential Equation with Deviating Arguments.  Journal of Mathematics Research Vol.3, No.3, pp. 48-51.</li>
</ol>

<ol start="64">
	<li style="text-align:justify; margin-left:8px">Nnabuk O. Eddy, Eno E. Ebenso, Udo J. Ibok and Emem E. Akpan (2011).  Experimental and Computational Chemistry Studies on the inhibition of the Corrosion of Mild Steel in H2SO4 by (2s, 5s, 6r) – 6(2-(aminomethyl)-5-(3-(2-chlorophenyl) isoxazol-5-yl) benzamido) – 3, 3- dimethyl-7-oxo-4-thia-1-azabicyclo [3.2.0] heptane-2-carboxylic acid.  International Journal of Electrochemical Science Vol.6, pp. 4296-4315.</li>
</ol>

<ol start="65">
	<li style="text-align:justify; margin-left:8px">T. N. Nganje, A. E. Edet, U. J. Ibok, E. J. Ukpabio, K. A. Ibe and P. Neji (2011).  Polycyclic aromatic hydrocarbons in surface water and soil in the vicinity of fuel oil spillage from a tank farm distribution facility, Esuk Utan, Calabar Municipality, Nigeria.  Environmental Earth Sciences Vol. 54, No.4.  Published Online 16 December, 2011.</li>
</ol>

<ol start="66">
	<li style="text-align:justify; margin-left:8px">U. M. Etesin, U. J. Ibok, E. Azubike and U. Aniediobong (2011).  Characterization of Mfamosing Limestone (Calabar Flank), South Eastern Nigeria for aluminium smelting.  African Journal of Environmental Pollution and Health Vol.9(2), pp.18-24.</li>
</ol>

<ol start="67">
	<li style="text-align:justify; margin-left:8px">B. O. Ekpo, U. J. Ibok, N. U. Essien and H. Wehner (2012).  Geochemistry and Organic Petrographic Studies of the Calabar Plank, S. E. Nigeria Journal of Marine and Petroleum Geology Vol.135; pp.252-268.</li>
</ol>

<ol start="68">
	<li style="text-align:justify; margin-left:8px">Aniefiok E. Ite and Udo J. Ibok (2013).  Gas Flaring and Venting Associated with Petroleum Exploration and Production in the Nigeria’s Niger Delta.  American Journal of Environmental Protection Vol.1, No.4, pp.70-77.</li>
</ol>

<ol start="69">
	<li style="text-align:justify; margin-left:8px">B. O. Ekpo, N. U. Essien, E. P. Fubara, U. J. Ibok, E. J. Ukpabio and H. Wehner (2013).  Petroleum Geochemistry of Cretaceous outcrops from the Calabar Plank, S. E. Nigeria. (Accepted in Journal of Marine and Petroleum Geology).</li>
</ol>

<ol start="70">
	<li style="text-align:justify; margin-left:8px">E. A. Fayose and U. J. Ibok (1989).  “Environmental impact of mineral exploration on development in Nigeria”.  Edited by J. U. Obot and I. A. Animashaun, pp. 52 – 84.  NPS Educational Publishers Ltd., Ibadan, Nigeria.</li>
</ol>

<ol start="71">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok (1989).  “The impact of iron and steel industry on Environment and Development in Nigeria”.  Edited by J. U. Obot and I. A. Animashaun, pp. 85 – 105.  NPS Educational Publishers Ltd., Ibadan, Nigeria.</li>
</ol>

<ol start="72">
	<li style="text-align:justify; margin-left:8px">A. Micah Umoh (1989).  “Laboratory Techniques and Analytical Manual”.  Edited by U. J. Ibok, Associate Editor: E. I. Udossien SAJJU Institute Press, Nigeria.  (224 pages).</li>
</ol>

<ol start="73">
	<li style="text-align:justify; margin-left:8px">N. O. Eddy, U. J. Ibok and E. E. Ebenso (2012).  Experimental and Quantum Chemical Studies on the Corrosion Inhibition Potentials of some Antibiotics in Acidic Medium.  Lambert Academic Publications, United Kingdom.</li>
</ol>

BOOKS

<ol>
	<li style="text-align:justify; margin-left:8px">U. J. Ibok, J. O. Offem, O. E. Offiong, U. J. Ekpe and I. E. Uwah (1999).  Basic concepts in University Chemistry Vol. 1 (O. D. Ekpo, Editor).  (109 pages).</li>
</ol>

<ol start="2">
	<li style="text-align:justify; margin-left:8px">U. J. Ibok, J. O. Offem, O. D. Ekpa, U. J. Ekpe, O. E. Offiong and B. O. Ekpo (2001).  Basic concepts in University Chemistry Vol. 2, 157 pp.</li>
</ol>

<ol>
	<li style="text-align:justify; margin-left:8px">Report by Multi-disciplinary task force on base metal, iron, steel and engineering services for raw materials research and development council (RMRDC), (10 pages), 1989.</li>
</ol>

<ol start="2">
	<li style="text-align:justify; margin-left:8px">Report of the Audit of indigenous technologies for processing raw materials in Cross River and Akwa Ibom States for RMRDC, Lagos, 1991.</li>
</ol>

<ol start="3">
	<li style="text-align:justify; margin-left:8px">Report of the Techno-economic survey update of raw materials in the chemical and pharmaceutical sector in Akwa Ibom, Anambra, Cross River and Imo States of Nigeria for RMRDC, Lagos, 1991.</li>
</ol>

<ol start="4">
	<li style="text-align:justify; margin-left:8px">Report on the Techno-economic survey of raw materials in the chemical and pharmaceutical sector in Nigeria for RMRDC, Lagos, 1992.</li>
</ol>

<ol start="5">
	<li style="text-align:justify; margin-left:8px">Post impact assessment of Shell Petroleum Development Company (SPDC) Rumuekpe-Bomu (1000 km) pipeline, Rivers State for Shell Petroleum Development Company (SPDC), Port Harcourt by the Environmental Study and Monitoring Unit, University of Calabar Consultancy Services (UNICALCONS).  (284 pages), 1992.</li>
</ol>

<ol start="6">
	<li style="text-align:justify; margin-left:8px">Post impact evaluation of a “Mystery” Oil Spill in the Creeks of Akata and Ntafre within the operational area of Mobil Producing Nigeria by the Environmental Study and Monitoring Unit, (UNICALCONS).  (135 pages), 1993.</li>
</ol>

<ol start="7">
	<li style="text-align:justify; margin-left:8px">Baseline ecological studies of Elelenwo Oil Field for Shell Petroleum Development Company, Port Harcourt by the Environmental Study and Monitoring Unit, (UNICALCONS).  (149 pages), 1993.</li>
</ol>