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Articles by J. Abah
Total Records ( 2 ) for J. Abah
  J.C. Akan , E.A. Moses , V.O. Ogugbuaja and J. Abah
  The aim and objective of the study was to determined pollutant levels in tannery industrial effluent from kano metropolis, Nigeria. Effluents from five tannery industries were characterized and the major sources of industrial pollution determined. Levels of heavy metals (Cu, Zn, Co, Mn, Fe, Pb and Cr) were determined using Atomic absorption Spectrophotometric method, while pH, Eh, DO, TDS, Temperature, sulphate, nitrate and phosphate were also determined using standard procedure. The results of the study showed that effluent quality discharged between tanneries differed significantly. Effluent chromium concentrations varied between 1.02±0.13 to 1.56±0.06 mg L-1, which are above WHO and FEPA limit of 1.0 mg L-1. Hafawa Enterprise Tannery, Unique Leather Finishing had significantly high lead concentrations, while Great Northern Tannery could be a potential source of Iron contamination in this area. Mean levels of Zn for Tannorth Tannery Limited were above maximum permissible limits set by FEPA and WHO. Mean levels of sulphate, nitrate and dissolved Oxygen were also above maximum permissible limits for the entire tanneries studied. Mean values of pH total dissolved solid, phosphate, temperature, Cu, Co, Mn and Redox potential generally were below maximum and minimum permissible limits for effluent discharged into rivers. The monthly variations in the entire tannery fell within the range set up by FEPA and WHO for the discharged of tannery effluent into river. The study serves to generate relevant baseline information for Kano industrial estate.
  J. Abah , J.C. Akan , E.I. Uwah and V.O. Ogugbuaja
  The concentrations of nitrate, nitrite, phosphate and sulphate in some tuber crops yam (Dioscorea rotundata), cassava (Manihot esculenta), sweet potatoes (Ipomea batatas), Irish potatoes (Salomum tuberosum), water yam (Dioscoria alata) and cocoa yam (Colocasia esculenta) grown in Benue state, Nigeria were determined using spectrophotometric method according to LaMotte standard procedure. Benue state is know for it agricultural activities and it is the main supplier of food to other state in Nigeria, that is why it is called the food basket of Nigeria. The concentrations of these ions generally range from low to high values The nitrate, nitrite, phosphate and sulphate levels of these crops were however well below the tolerance levels of these anions as recommended by WHO. Accordingly, consumption of these crops as food by both human and animals may not pose any immediate health threat with respect to these anions.
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