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- Title
Radiological measurement of phosphate rock and phosphogypsum from fertilizer industries in India.
- Authors
Sartandel, S.; Bara, S.; Chinnaesakki, S.; Jha, S.; Tripathi, R.
- Abstract
Phosphate deposits are generally characterized by high levels of natural radionuclide concentrations. Natural radionuclides from the uranium and thorium series were measured, using high-resolution gamma-spectrometry in phosphate rock and phosphogypsum samples from the phosphate fertilizer industry in India. Equilibrium was found to be disrupted during the chemical processing of phosphate rock with 83 % of the Ra and only 5 % of U fractionating to phosphogypsum. Activity concentrations of U and Ra in phosphogypsum produced from various fertilizer industries of India showed levels < 1,000 Bq kg and pose no restriction for use in building/construction material.
- Subjects
INDIA; PHOSPHATE rock; RADIOLOGY; PHOSPHOGYPSUM; FERTILIZER industry; RADIOISOTOPES; URANIUM isotopes; THORIUM isotopes
- Publication
Journal of Radioanalytical & Nuclear Chemistry, 2014, Vol 302, Issue 3, p1441
- ISSN
0236-5731
- Publication type
Article
- DOI
10.1007/s10967-014-3567-2