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Silicon Isotopic Reference
δ30Si Values of Silicon Isotopic Reference Materials
Description |
NIST RM # |
Material |
Nominal Unit Size |
δ29SiNBS28 |
δ30SiNBS28 |
Footnote |
Ref |
NBS 28 |
8546 |
silica sand (optical) |
0.4 g |
0 ‰ |
0 ‰ |
* |
21 |
SRM 990 |
|
elemental Si |
1.4 cm3 |
+0.3 ‰ |
+0.5 ‰ |
|
12 |
IRMM-017 |
|
elemental Si |
50 mg |
–0.7 ‰ |
–1.3 ‰ |
|
12 |
IRMM-018a |
|
SiO2 |
5 g |
0 ‰ |
0 ‰ |
|
12 |
* Exact value defining the delta scales
References
12. Coplen, T.B., Hopple, J.A., Böhlke, J.K., Peiser, H.S., Rieder, S.E., Krouse, H.R., Rosman, K.J.R., Ding, T., Vocke, Jr., R.D., Révész, K.M., Lamberty, A., Taylor, P., and De Bièvre, P., Compilation of minimum and maximum isotope ratios of selected elements in naturally occurring terrestrial materials and reagents, U.S. Geological Survey Water-Resources Investigations Report 01-4222, 98 p (2001).
21. Coplen, T. B., Böhlke, J.K., De Bièvre, P., Ding, T., Holden, N.E., Hopple, J. A., Krouse, H. R., Lamberty, A., Peiser, H. S., Revesz, K., Rieder, S. E., Rosman, K. J. R., Roth, E., Taylor, P. D. P., Vocke, Jr., R. D., and Xiao, Y. K., Isotope-abundance variations of selected elements, Pure Appl. Chem. 74, 1987-2002 (2002). [full text pdf 506 KB] {SNIF.pdf}
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