Several plants in Tanzania are known to be of potential therapeutic value and are used in traditional medicine system of the country. In this paper, two medicinal plants Moringa oleifera (leaves and roots), and Hibiscus sabsdariffa (rosella calyces) were analysed for elemental co...
Open access
Research Article10.9734/CSJI/2017/31963
Natural radioactivity levels in maize which is one of the staple foods in various regions in Tanzania have been studied. The radioactivity concentration of 238U, 232Th and 40K were determined using γ ray spectrometry employing HPGe detector of relative efficiency of 51%. The aver...
Open access
Research Article10.9734/PSIJ/2017/31697
This study identified normal and abnormal conditions, features, events and processes (FEPs) those potentially influence the integrity and safety of the facility that might originate outside or inside the facility. Four hazards, namely terrorist activity, fire outbreak, floods and...
Open access
Research Article10.9734/PSIJ/2018/44436
The study determined the mean concentrations of natural radionuclides, the annual intake of radionuclides and annual effective dose due to the ingestion of Vegetables from selected areas of Manyoni in Tanzania. Thirty (30) bunches of leafy vegetable samples grouped into five cate...
Open access
Research Article10.9734/PSIJ/2017/34746
The concentration levels of heavy metals in food crops (maize and mung beans) grown in the neighbourhood of Minjingu Phosphate mine were analyzed using EDXRF. The metal concentrations in both food crops followed the following pattern Fe > Zn > Cu > Cd > Cr > Pb >...
Open access
Research Article10.9734/CSJI/2017/31476