The method described herein employs low-current de-arc excitation, short exposure times, and a selected portion of the analytical gap to analyze small amounts (0.33–1.0 mg) of carbonate samples mixed with graphite for their strontium content. Repeatability of the method is 6%.
Get full access to this article
View all access options for this article.
References
1.
KulpJ. L.TurekianK., and BoydD. W., Bull. Geol. Soc. Am.63, 701 (1952).
2.
TurekianK. K. and ArmstrongR. L., J. Marine Res.18, 133 (1960).
3.
GoldsmithJ. R.GrafD. L., and JoensnuuO. I., Geochim. Cosmochim. Acta7, 212 (1955).
4.
RainsT. C.ZittelH. E., and FergusonM., Anal. Chem.34, 778 (1962).
5.
HorrC. A., U. S. Geol. Surv. Water Supply Papers1496A (1959).
6.
WrayJ. L. (unpublished work, Marathon Oil Company, Littleton, Colo.).
7.
SchalgeA. L., PhD thesis, University of Illinois (1959).
8.
HarveyC. E., Spectrochemical Procedures (Applied Research Laboratories, Glendale, Calif., 1950).
9.
MorrisonG. H., Trace Analysis—Physical Methods (Interscience Publishers, Inc., New York, 1965).
