Studio minero-petrografico e chimico di ceramiche protostriche dal Broglio di Trebisacce

No abstract available

Studio minero-petrografico e chimico di ceramiche protostriche dal Broglio di Trebisacce

No abstract available

Environmental, Toxicological and Biomedical Research on Trace Metals: Radiochemical Separations for Neutron Activation Analysis

TWENTY-TWO RADIOCHEMICAL SEPARATION PROCEDURES FOR NEUTRON ACTIVATION ANALYSIS (NAA) OF ENVIRONMENTAL AND BIOLOGICAL SAMPLES ARE PRESENTED. THEY ARE CURRENTLY APPLIED IN THE CONTEXT OF TRACE METAL RESEARCH RE- LATED TO THE PROTECTION OF THE ENVIRONMENT AND HUMAN HEALTH. THE RADIO- CHEMICAL PROCEDURES ARE REFERRED TO THE SEPARATIONS OF THE ELEMENTS INTO GROUPS WHICH ALLOW THE DETERMINATION OF AT LEAST 50 ELEMENTS IN EACH SAMPLE OR TO SPECIFIC SEPARATIONS FOR SINGLE ELEMENTS. THE EXPE- RIENCE GAINED IN THE APPLICATION OF THESE RADIOCHEMICAL SEPARATIONS OVER MORE THAN TEN YEARS ALLOWS US TO CONSIDER THEM AS RELIABLE FOR SENSITIVE DETERMINATIONS OF TRACE METALS IN ENVIRONMENTAL AND BIOLOGI- CAL SAMPLES.NA-NOT AVAILABL

Trace and nutrient element transfer from sewage sludge-amended soil to crop - A study on Brassica oleracea.

Brassica oleracea was used for plant availability studies and the material will also be available for quality control purposes. The cabbage, grown on sludge-amended soil, was harvested and processed to a homogeneous powder. The results of a preliminary test on homogeneity and a broad spectrum of element concentrations determined are reported. The soil around the plants was also collected and examined. Estimates of uptake coefficients Ccrop/Csoil are given

Operation Experience with the TRIGA Reactor of Pavia.

The TRIGA Mark-II reactor of the University of Pavia is in operation since 1965. The annual operation time at nominal power of 250 kW is in the range of few hundreds hours per year depending on the time schedule of some experiments and research activities. The reactor is mainly used for NAA activity and for BNCT research. Few tens of hours per year are dedicated to students’ training courses. During the last two years the operation time has decreased mainly due to a better planning of the requests of irradiations (more multiple irradiations) and to the introduction of irradiation fares also for research activities. Despite of the reactor is under-utilized, the interest of the Italian industrial world to some specific techniques of analysis and diagnostic is growing while the interest of the University of Pavia in preserving such know how in the nuclear field is not under discussion (in Italy there are just three research reactor in operation and no more power plants). For these reasons the reactor will be kept in operation as long as possible into the next decade. The on-going US fuel return program has been discussed and, at present, the viewpoint is to continue to operate the reactor beyond 2006