Journal of Analytical Methods in Chemistry / 2018 / Article / Tab 4

Research Article

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

Table 4

(a) 87Sr/86Sr results obtained on microsamples of tooth dentine and enamel and bones of the Ursus spelaeus specimen. (b) 87Sr/86Sr soils sampled in the Grotta all’Onda cave from which the fossil remains were collected.

SampleTypeSr content (ppm)87Sr/86Sr2 SELog (Sr/Ca)
Average

(a) Teeth and bones
STC1Bone5100.7082680.000006−2.84
STC2Bone3520.7084410.000006−2.98
STC3Bone3590.7087580.000006−2.95
STC4-1Enamel1870.7087030.000005−3.32
STC4-2Dentin3600.7083620.000006−3.00
STC5-1Enamel2110.7086630.000005−3.21
STC5-2Dentin3840.7083800.000006−2.94
STC6-1Enamel1790.7090810.000005−3.30
STC6-2Dentin3390.7085040.000006−3.02
(b) Soils
STC7Soil2040.7081840.000006−2.86
STC8Soil2280.7081550.000006−2.86

2 SE: two standard error of the mean.

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