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. 2015 Jun 23;407(21):6569–6574. doi: 10.1007/s00216-015-8833-9

Table 1.

Mean of the mercury mass fraction (ng/kg) obtained from the repeatability and intermediate precision study

Day 1 Day 2 Day 3 Day 4 Day 5
Replicate 1 24.41 25.31 24.50 24.30 25.60
Replicate 2 24.45 25.52 24.44 24.53 25.59
Replicate 3 24.53 25.44 24.44 24.74 25.68
Mean (ng/kg) 24.46 25.42 24.46 24.52 25.62
s (ng/kg) 0.06 0.10 0.03 0.22 0.05