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## Abstract The simultaneous determination of the ^17^O/^16^O abundance ratio (Y) and ^18^O/^16^O ratio (Z) as $\hbox{\bf O}\_{\bf2}^{+}$ is carried out by solving a set of equations: where R~i~'s are the measured abundance ratios of chosen pairs (say, j and k) of isotopic $\hbox{\bf O}\_{\bf 2}^{+}$ ions. The measured ratios (R~j~ and R~k~) are always subject to some errors (δ~j~ and δ~k~), and hence the corresponding results of analysis (solutions: Y and Z) will inevitably be at errors (δ~Y~ and δ~Z~). Recently, we have shown that the errors δ~Y~ and δ~Z~ are always expected to be different from those of the experimental errors δ~j~ and δ~k~, and are correlated as: where the parameter $\hbox{\bf[REMF]}\_{\bf jk}^{\bf E}$ is referred to as the relative error magnification factor of analysis. This work investigates the parameters $\hbox{\bf[REMF]}\_{\bf jk}^{\bf Y}$ and $\hbox{\bf[REMF]}\_{\bf jk}^{\bf Z}$ (the error magnification factors in determining the oxygen isotopic ratios, Y and Z simultaneously, as $\hbox{\bf O}\_{\bf 2}^{+}$), which control, for any given values of δ~j~ and δ~k~, the achievable accuracy of the desired results (determined values of Y and Z). The variations

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Author

B. P. Datta

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 0951-4198)

Published

2001

Language

EN

Field

Chemistry (Physical Sciences)