Analysis by nuclear reactions and activation

This paper is dedicated to Professor Douglas E. R)larl on the occasion of his 65th birthdayBYRON KRATOCHVIL, NORINE MOTKOSKY, M. JOHN M. DUKE, and DENNIS NG. Can. J. Chem. 65, 1047 (1987).The biological reference material TORT-1, lobster hepatopancreas, was analyzed for aluminum by instrumental neutron activation analysis (INAA) and graphite furnace atomic absorption spectroscopy (GFAAS). After correction of the INAA results for interferences from ' 8~1 produced by "~(n,a)"Al and '8Si(n,p)'8Al reactions, and use of HN03 plus HF for sample dissolution for the GFAAS analyses, the methods gave similar results of 43 + 3 and 42 + 2 p g / g respectively for 200 to 300-mg test portions. Analysis of six portions from each of six bottles of TORT-1 showed no statistical difference at the 95% confidence level for the between and within bottle variances. Therefore, the material can be considered homogeneous for aluminum if 200-to 300-mg test portions are taken. The variance was greater and the average lower when 30-mg test portions were analyzed for aluminum by GFAAS. The pattern of the results, together with the need for HF in the dissolution procedure, suggests the presence of aluminum-containing microparticulate mineral matter, perhaps silicate material, in the material.

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Analysis by nuclear reactions and activation

Cited by 2 publications

References 79 publications

Measurement of some primary nuclear interferences in neutron activation analysis with a SLOWPOKE reactor

Measurement of some primary nuclear interferences in neutron activation analysis with a SLOWPOKE reactor

Determination of trace aluminum concentration and homogeneity in biological reference material TORT-1 by instrumental neutron activation analysis and graphite furnace atomic absorption spectroscopy

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