14 4 12 10 8 6 3 2 4 2 1 0 0 100200300400500600 100200300400500600700 0 0 100200300400500600 100200300400500600700 (ppm) (ppm) 7 4 6 5 4 3 3 2 2 1 1 0 0 100200300400500600 100200300400500600700 0 0 100200300400500600 100200300400500600700 (ppm) (ppm) 30 25 20 15 10 5 0 0 100200300400500600 100200300400500600700 (ppm)