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Table T4. Reference values of JB-1b reference material and daily measurements used for calibration of X-ray diffraction scanning data.

JB-1b
Major element oxide: Na2O3 MgO Al2O3 SiO2 P2O5 K2O CaO TiO2 MnO Fe2O3 Total
Reference value (wt%): 2.7 8.3 14.7 52.2 0.3 1.3 9.8 1.3 0.2 9.2 100
28 Dec 2010 ND 3.6 12.1 57.5 0.4 1.6 8.8 1.5 0.1 14.4  
29 Dec 2010 ND 3.6 12.5 57.0 0.5 1.5 9.0 1.5 0.1 14.4  
1 Jan 2011 1.0 3.6 11.8 51.4 0.6 2.1 12.1 1.9 0.0 15.6  
4 Jan 2011 0.8 4.1 11.7 51.3 0.6 2.1 12.3 1.8 0.1 15.2  
5 Jan 2011 4.3 4.6 8.1 47.2 0.7 2.2 13.1 2.0 0.1 17.8  
8 Jan 2011 1.0 6.1 15.4 53.6 0.5 1.7 9.6 1.4 0.1 10.6  
8 Jan 2011 1.1 6.4 15.3 53.3 0.4 1.7 9.7 1.4 0.1 10.5  

ND = Not determined.

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