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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}

 

 
2010 Commission on Isotopic Abundances and Atomic Weights | a commission of the International Union of Pure and Applied Chemistry