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Boron Isotopic Reference
δ11B Values of Boron Isotopic Reference Materials
Description |
Material |
Nominal Unit Size |
δ11BSRM951 |
Footnote |
Ref |
x(11B) |
Ref |
NIST SRM 951 |
boric acid |
100 g |
0 ‰ |
* |
21 |
0.801 73 |
17 |
NIST SRM 952 |
boric acid |
0.25 g |
|
|
|
0.050 51 |
18 |
IRMM-011 |
boric acid |
1 g |
|
|
|
0.801 76 |
19 |
IRMM-610 |
boric acid |
5 mL |
|
|
|
0.050 505 |
20 |
* Exact value defining the delta scale
References
17. NIST, Certificate of Analysis, Standard Reference Material 951 Boric Acid Standard, Gaithersburg, Maryland, National Institute Standards and Technology, 2 p (1999).
18. NIST, Certificate of Analysis, Standard Reference Material 952 Enriched Boric Acid Standard: Gaithersburg, Maryland, National Institute Standards and Technology, 2 p (1999).
19. IRMM, Certificate, Spike Isotopic Reference Material IRMM-611, Institute of Reference Materials and Measurements, Geel, Belgium, 3 p (2001).
20. IRMM, Certificate, Spike Isotopic Reference Material IRMM-610, Institute of Reference Materials and Measurements, Geel, Belgium, 3 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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