Measuring the concentration of uranium for adults teeth in adjacent areas of Tigris river in Baghdad city using nuclear track detector CR-39

Israa K Ahmed

doi:10.30723/ijp.v11i21.367

Abstract

In this study, the fission track registration technique with the CR-39 detector are using to determination the uranium concentrations for seventeen samples of teeth distributed in four districts in Baghdad City .Five samples taken from both Al-Durra District and Al-Jadiriyia District, Four samples taken from Al-Karrda (Alaatar street) Taken four samples and three samples taken from Al-Zuafrania and by 0.5gm in weight and 1.5 mm in thickness. The uranium concentrations in teeth samples measured by using fission tracks registration in (CR-39) track detector that caused by the bombardment of (U) with thermal neutrons from (241 Am-Be) neutron source that has flux of (5 ×103 n cm-2 s-1). The concentrations values were calculated by a comparison with standard samples. The results showed that the maximum value of uranium is (0.071 ppm) equal to (0.686Bq) in Al-Zuafaraniya district and the minimum is (0.035 ppm) equal to (0.31Bq) in Al-Jadiriah district.

Highlights

Uranium is a radioactive and chemical element, represents by (U) symbol, and it is a heavy metal with a very high density (18.95 g /cm3, 1.7 times higher than lead’s density of 11.35 g /cm3)
The fission track registration technique with the CR- Uranium concentration, 39 detector are using to determination the uranium concentrations for nuclear track detector, seventeen samples of teeth distributed in four districts in Baghdad CR-39
The uranium concentrations in teeth samples measured by using fission tracks registration in (CR-39) track detector that caused by the bombardment of (U) with thermal neutrons from (241 Am-Be) neutron source that has flux of (5 ×103 n cm-2 s-1)

Summary

Key words

The fission track registration technique with the CR- Uranium concentration, 39 detector are using to determination the uranium concentrations for nuclear track detector, seventeen samples of teeth distributed in four districts in Baghdad CR-39. The uranium concentrations in teeth samples measured by using fission tracks registration in (CR-39) track detector that caused by the bombardment of (U) with thermal neutrons from (241 Am-Be) neutron source that has flux of (5 ×103 n cm-2 s-1). The concentrations values were calculated by a comparison with standard samples. The. Article info Received: Dec. 2012 Accepted: Apr. 2013 Published: Sep. 2013 results showed that the maximum value of uranium is (0.071 ppm) equal to (0.686Bq) in Al-Zuafaraniya district and the minimum is (0.035 ppm) equal to (0.31Bq) in Al-Jadiriah district. ‫ والذي يعادل‬0.025ppm ‫ في حي الزعف ارنية وان أدنى قيمة هو‬0.868Bq ‫ والذي يعادل‬0.071ppm ‫لليو ارنيوم هو‬ .‫ في حي الك اردة‬0.31Bq

Introduction

Results and discussion

Uranium Concentration ppm