Determination of phosphorus in biological samples by thermal neutron activation followed by β--counting
Tóm tắt
Phosphorus has been determined using the β- emitter32P by instrumental neutron activation analysis (INAA) in several NBS and IAEA standards and samples of biological origin such as human and animal blood, cancerous tissue, edible plant leaves, diets, milk samples, etc. The method involves thermal neutron irradiation for 2–10 h in a reactor followed by β--counting on an end-window gas flow proportional counter using an aluminium filter. The results are within ±10% of the certified values in most cases.
Tài liệu tham khảo
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