Mass spectrometric Determination of Boron Stable Isotopes And Its Application on Some Geological Materials.
Abstract
Boron isotopic composition measurements were carried out by using a thermal ionization mass spectrometer. The evaporation and ionization currents were employed in the range of 1.5 – 1.7 ampere. Masses 88 and 89 which were detected are corresponded to the ions and respectively. The isotopic ratio measurements of boron isotopes (B10, B11) are determined for numbers of compound standard deviation of measurements are in the range of (1- 7 x 10-5). A pyrohydrolysis technique is being used for recovery of boron from some materials like B4C , B2O3 and boron amorphous.
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