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Neutron Activation Analysis of Residual Oil for Vanadium

Volume 24, Number 5 (Oct. 1970) Page 534-538

Flaherty, John P.; Eldridge, H.B.


Neutron activation analysis is investigated as a nondestructive method of analyzing large residual oil samples for vanadium content in the 20-2000 ppm range. For a flux of 108 neutrons/cm2 sec, a 10 min analysis of a 3 g oil sample can yield concentration measurements that are reproducible to within a maximum deviation of 7% for a wide latitude of experimental conditions with no sample preparation. The adaption of neutron activation analysis herein investigated has several features that make it attractive as a means of on-line process control in petroleum cracking plants.