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Multi element analysis of human blood serum by neutron activation and controlled potential electrolysis



Multi element analysis of human blood serum by neutron activation and controlled potential electrolysis



Analytical Chemistry 53(9): 1398-1401



The combination of neutron activation analysis and controlled potential electrolysis has proved itself to be a useful multielement method for the determination of 14 elements in a 500 .mu.l sample of human blood serum. After freeze-drying and irradiation, the samples are decomposed and electrolyzed for 3 h. The radioactive species deposited on the mercury cathode allow simultaneous determination of 8 elements (Ag, Au, Cd, Co, Fe, Hg, Sb, Zn). Another 6 elements (Br, Ca, Cs, Na, Rb, Sc) are determined by measuring the activities in the residual solution. Data illustrating the precision of the method are given. The determination limits are of the order 10-1-10-3 .mu.g/l for the 9 trace elements investigated.

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Accession: 005940518

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PMID: 7270900


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