Jan Kaiser, How accurate do we know 13C/12C, 18C/16O and 17O ...
Jan Kaiser, How accurate do we know 13C/12C, 18C/16O and 17O ...
Jan Kaiser, How accurate do we know 13C/12C, 18C/16O and 17O ...
Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
13<br />
18<br />
17<br />
"New" isobaric correction using δ values<br />
(<strong>Kaiser</strong> & Röckmann 2008)<br />
45<br />
δ = δ + 2C(<br />
δ =<br />
46<br />
45<br />
δ −<br />
17<br />
17 18<br />
δ = (1+<br />
Δ)(1+<br />
δ )<br />
δ )<br />
[ ]<br />
46<br />
17<br />
45 17<br />
17 2<br />
( 2 + C)<br />
δ − (2 − 2C<br />
) δ − (2 + 4C<br />
) δ (1+<br />
δ ) 3C<br />
δ<br />
δ + D +<br />
0.528<br />
−1<br />
R<br />
17<br />
r<br />
C = D =<br />
13<br />
Rr<br />
13<br />
17<br />
r<br />
18<br />
r<br />
R R<br />
2 R<br />
r<br />
⇒ no isotope ratios required for δ calculation<br />
<strong>How</strong> to measure C (<strong>and</strong> D)?<br />
See also Poster P10
Change language