Table 6 Statistics of the “check” standard quality-control metrics as presented in Fig. 6 for the three instrument types.

From: A 120,000-year long climate record from a NW-Greenland deep ice core at ultra-high resolution

Instrument

δ18O precision [‰]

δ18O accuracy [‰]

δD precision [‰]

δD accuracy [‰]

L2120-i

0.065 ± 0.028

0.023 ± 0.059

0.524 ± 0.163

0.151 ± 0.232

L2130-i

0.031 ± 0.017

−0.001 ± 0.035

0.301 ± 0.098

0.034 ± 0.146

L2140-i

0.034 ± 0.015

−0.011 ± 0.033

0.390 ± 0.118

0.012 ± 0.172