Journal of Analytical Methods in Chemistry / 2018 / Article / Tab 3

Research Article

High-Precision In Situ 87Sr/86Sr Analyses through Microsampling on Solid Samples: Applications to Earth and Life Sciences

Table 3

Accuracy and reproducibility on reference standard material (NIST-SRM987 and BHVO-2).

StandardSr content87Sr/86Sr2 SDnReference

Within run measurement on international standard NIST-SRM987
Large size loading (ng)
SRM9871500.7102530.00001659Long-term reproducibility (from 2013)
SRM9871500.7102480.000011427Thirlwall [59]
Small size loading
SRM987100.7102520.00001647This study
SRM987120.7102590.00001892Charlier et al. [54]

Drilling procedure on BHVO-2 glass
BHVO-2 glass<100.7034900.0000929This study
BHVO-2 glass100.7034920.0000943Charlier et al. [54]
87Sr/86Sr2 SE
BHVO-2 powder1500.7034690.0000041This study
87Sr/86Sr2 SD
BHVO-2 powder0.7034790.00002012Weis et al. [60]

2 SD, two standard deviation (external precision); 2 SE, two standard error of the mean; n, numbers of measurements; literature data are reported in italics below our mean values for references.

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