Table T10. Analytical reproducibility and accuracy of volatile analyses, Expedition 304.
Standard | Date | Sample | Average | Standard deviation | ||
---|---|---|---|---|---|---|
CO2 | H2O | CO2 | H2O | |||
JP-1 | 26 Nov 2004 | 1 | 0.29 | 2.48 | 0.011 | 0.298 |
3 Dec 2004 | 1 | 0.31 | 2.27 | 0.004 | 0.032 | |
4 Dec 2004 | 1 | 0.28 | 2.65 | 0.007 | 0.024 | |
11 Dec 2004 | 1 | 0.30 | 2.42 | 0.009 | 0.076 | |
12 Dec 2004 | 1 | 0.23 | 2.29 | 0.024 | 0.140 | |
14 Dec 2004 | 1 | 0.30 | 2.18 | 0.009 | 0.029 | |
2 | 0.32 | 2.80 | 0.058 | 0.406 | ||
16 Dec 2004 | 1 | 0.26 | 2.00 | 0.006 | 0.072 | |
23 Dec 2004 | 1 | 0.29 | 2.40 | 0.008 | 0.186 | |
26 Dec 2004 | 1 | 0.29 | 2.12 | 0.011 | 0.079 | |
28 Dec 2004 | 1 | 0.28 | 2.22 | 0.010 | 0.028 | |
29 Dec 2004 | 1 | 0.27 | 2.44 | 0.004 | 0.127 | |
31 Dec 2004 | 1 | 0.31 | 2.29 | 0.009 | 0.029 | |
1 Jan 2005 | 1 | 0.30 | 2.32 | 0.000 | 0.065 | |
3 Jan 2005 | 1 | 0.30 | 2.56 | 0.016 | 0.125 | |
4 Jan 2005 | 1 | 0.28 | 2.57 | 0.004 | 0.226 | |
Averages: | 0.29 | 2.38 | ||||
Certified values: | 0.28 | 2.39 | ||||
Standard deviation: | 0.02 | 0.21 | ||||
Precision: | 7.58% | 8.67% | ||||
Accuracy: | 2.91% | –0.60% | ||||
BAS-140 | 26 Nov 2004 | 1 | 0.10 | 0.87 | 0.009 | 0.090 |
3 Dec 2004 | 1 | 0.10 | 0.76 | 0.016 | 0.124 | |
4 Dec 2004 | 1 | 0.08 | 0.94 | 0.012 | 0.075 | |
11 Dec 2004 | 1 | 0.10 | 0.66 | 0.003 | 0.096 | |
12 Dec 2004 | 1 | 0.02 | 0.88 | 0.008 | 0.446 | |
14 Dec 2004 | 1 | 0.13 | 0.61 | 0.033 | 0.045 | |
2 | 0.10 | 0.84 | 0.006 | 0.021 | ||
16 Dec 2004 | 1 | 0.08 | 0.72 | 0.018 | 0.047 | |
23 Dec 2004 | 1 | 0.10 | 0.87 | 0.006 | 0.090 | |
26 Dec 2004 | 1 | 0.09 | 0.71 | 0.000 | 0.150 | |
28 Dec 2004 | 1 | 0.09 | 0.98 | 0.009 | 0.124 | |
29 Dec 2004 | 1 | 0.09 | 0.93 | 0.014 | 0.012 | |
31 Dec 2004 | 1 | 0.11 | 0.78 | 0.017 | 0.060 | |
1 Jan 2005 | 1 | 0.10 | 0.83 | 0.006 | 0.083 | |
3 Jan 2005 | 1 | 0.09 | 0.75 | 0.003 | 0.079 | |
4 Jan 2005 | 1 | 0.08 | 0.91 | 0.006 | 0.000 | |
Averages: | 0.09 | 0.81 | ||||
Certified values: | 0.05 | 1.12 | ||||
Standard deviation: | 0.02 | 0.11 | ||||
Precision: | 23.58% | 13.01% | ||||
Accuracy: | 45.28% | –37.46% |
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