CALIBRATION OF CO2-003 Relative vs. NOAA-1 /NOAA-2 on 22.4.2013 18:24 SUMMARY -------------------------------------------------------------------- CO2_ppm = 397.751 (+- 0.036, n= 35) d13C = -10.513 (+- 0.154, n= 35) d18O = -4.541 (+- 0.500, n= 35) -------------------------------------------------------------------- DETAILS OF CALIBRATION -------------------------------------------------------------------- Raw Measured 12CO2 CO2-003 = 399.0987 (+- 0.03644) ppm Raw Measured 13CO2 CO2-003 = 4.4445 (+- 0.00042) ppm Raw Measured 18O CO2-003 = 1.7031 (+- 0.00085) ppm Raw Measured T_CO2 CO2-003 = 405.5740 (+- 0.03639) ppm Raw Measured 12CO2 NOAA-1 = 399.5697 (+- 0.02911) ppm Raw Measured 13CO2 NOAA-1 = 4.4570 (+- 0.00049) ppm Raw Measured 18O NOAA-1 = 1.7057 (+- 0.00085) ppm Raw Measured T_CO2 NOAA-1 = 406.0604 (+- 0.02921) ppm Raw Measured 12CO2 NOAA-2 = 468.7163 (+- 0.04721) ppm Raw Measured 13CO2 NOAA-2 = 5.2120 (+- 0.00040) ppm Raw Measured 18O NOAA-2 = 1.9946 (+- 0.00088) ppm Raw Measured T_CO2 NOAA-2 = 476.3077 (+- 0.04708) 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 = 0.038197 ppm RMSE for 13CO2 linear fit = 0.000429 ppm RMSE for 18O linear fit = 0.000818 ppm Slope for 12CO2 linear fit = 0.9881 ppm / ppm Slope for 13CO2 linear fit = 0.9794 ppm / ppm Slope for 18O linear fit = 0.9610 ppm / ppm Offs. for 12CO2 linear fit = -2.878245 ppm Offs. for 13CO2 linear fit = -0.022292 ppm Offs. for 18O linear fit = -0.009124 ppm Output created on Tue Apr 23 14:44:51 2013