Analytical Sciences
Online ISSN : 1348-2246
Print ISSN : 0910-6340
ISSN-L : 0910-6340
Original Papers
Determination of Isotopic Ratio of Boron in Boric Acid Using Laser Mass Spectrometry
Periasamy MANORAVIMathew JOSEPHNatrajan SIVAKUMARRajagopalan BALASUBRAMANIAN
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JOURNALS FREE ACCESS

2005 Volume 21 Issue 12 Pages 1453-1455

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Abstract

A reflectron time-of-flight mass spectrometer (RTOFMS) with a laser ablation ion source was used to determine the isotopic ratio of 10B/11B present in boric acid solutions, using graphite as the matrix. The atom % 10B values obtained were within ±1% of the actual ones. The determination of the boron isotopic ratio using this method is, in comparison to other methods, faster, less expensive and easier to perform. The results are compared with the values determined using thermal ionization mass spectrometry.

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© 2005 by The Japan Society for Analytical Chemistry
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