CALIBRATION OF CO2-002 Relative vs. NOAA-1 /NOAA-2 on 22.4.2013 21:06 SUMMARY -------------------------------------------------------------------- CO2_ppm = 447.900 (+- 0.052, n= 28) d13C = -11.760 (+- 0.105, n= 28) d18O = -5.038 (+- 0.218, n= 28) -------------------------------------------------------------------- DETAILS OF CALIBRATION -------------------------------------------------------------------- Raw Measured 12CO2 CO2-002 = 448.4953 (+- 0.05271) ppm Raw Measured 13CO2 CO2-002 = 4.9977 (+- 0.00030) ppm Raw Measured 18O CO2-002 = 1.9287 (+- 0.00035) ppm Raw Measured T_CO2 CO2-002 = 455.7899 (+- 0.05289) ppm Raw Measured 12CO2 NOAA-1 = 398.9824 (+- 0.05596) ppm Raw Measured 13CO2 NOAA-1 = 4.4588 (+- 0.00035) ppm Raw Measured 18O NOAA-1 = 1.7185 (+- 0.00031) ppm Raw Measured T_CO2 NOAA-1 = 405.4872 (+- 0.05598) ppm Raw Measured 12CO2 NOAA-2 = 468.1637 (+- 0.05712) ppm Raw Measured 13CO2 NOAA-2 = 5.2140 (+- 0.00024) ppm Raw Measured 18O NOAA-2 = 2.0075 (+- 0.00031) ppm Raw Measured T_CO2 NOAA-2 = 475.7695 (+- 0.05719) ppm Ext Standard T_CO2 NOAA-1 = 398.231 (+- 398.231) ppm Ext Standard d13C NOAA-1 = -8.899 (+- 0.003) per mil Ext Standard d18O NOAA-1 = -4.227 (+- 0.003) per mil Ext Standard T_CO2 NOAA-2 = 467.628 (+- 467.628) ppm Ext Standard d13C NOAA-2 = -12.312 (+- 0.006) per mil Ext Standard d18O NOAA-2 = -7.636 (+- 0.006) per mil RMSE for 12CO2 linear fit = 0.054834 ppm RMSE for 13CO2 linear fit = 0.000285 ppm RMSE for 18O linear fit = 0.000294 ppm Slope for 12CO2 linear fit = 0.9876 ppm / ppm Slope for 13CO2 linear fit = 0.9792 ppm / ppm Slope for 18O linear fit = 0.9604 ppm / ppm Offs. for 12CO2 linear fit = -2.099982 ppm Offs. for 13CO2 linear fit = -0.023381 ppm Offs. for 18O linear fit = -0.020419 ppm Output created on Tue Apr 23 14:37:39 2013