The results obtained by the analysis of raw materials and product samples c
ollected from the three industries in Abu Zaabal area for the elements U, T
h, La, Ce, Gd, Cr, Sb, Sc, Hf, Na, Fe, Lu, Zn and Au in the samples under s
tudy are presented and discussed.
U content (in ppm) was found to be as follows: phosphate ore = 72.6, GSSP =
50.45, SSP = 42.65, DCP = 8.36, Gypsum = 5.31 and GNPK = 4.664. The La con
tent in the phosphate ore is 40.0 ppm. The Cr content in fertilizers is in
the range 12.12 - 19.56 ppm except gypsum that has the lowest value of 0.40
6 ppm.
In the alum company as well as ARACEMCO samples all the important elements
have been analyzed either in the raw materials or in the products using NAA
, namely U, Th, lanthanides as well as other elements.
U, Ce, Co La, Cr,... etc, contents in the reference water samples are compa
red with two drainage water samples. Also U, Ce, Cr and Th have been analyz
ed.
All the elements content in the leaf samples collected from AZFC zone are h
igher than their values in the reference leaf samples from Mounofia. Also,
the elements content of the unwashed sample is higher than the values found
in the same but washed sample.
The measurements of the natural radioactivity in phosphate ore and in some
fertilizer samples from AZFC are compared with the corresponding values obt
ained by NAA technique for the same samples. The comparison shows a negligi
ble difference as regards the uranium content for each sample.