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Assessment of Some Mineral and Heavy Metal Contents of Samples of Edible Chalk (NZU) Produced in Mbaise, Imo State, Nigeria

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  • Olubiyi, Elizabeth O.

    (Alvan Ikoku Federal University of Education, Owerri,Imo State, Nigeria)

  • Ukozor Alphonsus UC

    (Alvan Ikoku Federal University of Education, Owerri,Imo State, Nigeria)

  • Okwulehie Felicia C.

    (Alvan Ikoku Federal University of Education, Owerri,Imo State, Nigeria)

Abstract

The incidence of consumption of food materials with high doze of heavy metals is common. The main purpose of this work was a comparative analysis of mineral and heavy metal of four samples of edible chalk (nzu) produced and in Mbaise, Imo State, Nigeria. Four different samples of edible chalk—ike nzu, ogbake nzu, akuru aku,apiri nzu or apiriaka and oru (pink edible chalk) were selected and purchased from the market of area of study. Calcium and potassium contents were determined by flame photometry, while heavy metals—chromium, lead, nickel and cobalt; magnesium and phosphorus contents were determined by spectrophotometry. Results indicated that calcium contents ranged from 2.52-6.30mg 100-1g, each significantly different (p

Suggested Citation

  • Olubiyi, Elizabeth O. & Ukozor Alphonsus UC & Okwulehie Felicia C., 2025. "Assessment of Some Mineral and Heavy Metal Contents of Samples of Edible Chalk (NZU) Produced in Mbaise, Imo State, Nigeria," International Journal of Research and Scientific Innovation, International Journal of Research and Scientific Innovation (IJRSI), vol. 12(3), pages 785-793, March.
    • Handle: RePEc:bjc:journl:v:12:y:2025:i:3:p:785-793
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