821a.    ---------------.  [EMMETT, P. H.]  Radioisotopes.  Oil Gas Jour., vol. 50, No. 21, 1951, pp. 82, 84, 87, 89, 90, 93.

       Uses that have been made of radioactive isotopes in the petroleum industry are discussed under 3 headings:  (1) Exploration and production of petroleum, (2) refining and distribution of petroleum products, and (3) chemical research as applied to process development or improvement of petroleum products.  Experiments on the application of radioactive tracers to the study of the Fischer-Tropsch mechanism of reaction are described.  47 references.

       EMMETT, P. H.  See abs. 42, 376, 377, 386, 387, 388, 389, 390, 669, 1358, 1359, 1470, 2006, 2007, 2008, 2009, 2010, 2717a, 2718.