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. 2016 Mar 5;9(3):158. doi: 10.3390/ma9030158

Table 4.

29Si MAS NMR data of alkali-activated mixtures.

Mixtures Raw Slag End of Chain C-A-S-H Gel N-A-S-H Gel Phases of Silica
Q0 Q1 Q1 Q1 Q2(1Al) Q2(0Al) Q3(1Al) Q4(4Al) Q4(3Al) Q4(2Al) Q4(1Al) Q4(0Al) Q4(0Al)
F0S10 Maximum of the spectrum (ppm) −70.6 −75.5 --- −79.8 −82.6 −87.0 −91.6 --- −104.9
Width 5.79 5.79 5.79 5.79 5.79 5.79 5.79
Intermediate (%) 7.70 12.11 20.96 30.04 14.01 9.55 5.63
F10S0 Maximum of the spectrum. (ppm) --- −79.8 --- −86.9 −92.4 −97.3 −102.4 −108.4 −115.6
Width 6.35 6.35 6.35 6.35 6.35 6.35 6.35
Intermediate. (%) 6.70 18.66 21.36 18.20 13.72 14.67 6.69
F2S8 Maximum of the spectrum. (ppm) −72.1 --- −76.5 −80.7 −85.7 −90.2 --- −93.6 −99.2 −104.9 --- ---
Width 5.41 5.41 5.41 5.41 5.41 --- 5.41 5.41 5.41 --- ---
Intermediate. (%) 3.80 5.00 14.63 42.81 10.62 --- 11.30 5.97 5.87 --- ---
F4S6 Maximum of the spectrum. (ppm) −71.8 --- −77.4 −81.1 −85.7 −90.4 --- −94.8 −99.1 −103.6 −107.7 ---
Width 5.15 5.15 5.15 5.15 5.15 --- 5.15 5.15 5.15 5.15 ---
Intermediate. (%) 4.59 5.45 13.59 28.49 17.62 --- 11.32 8.37 4.70 5.86 ---
F6S4 Maximum of the spectrum. (ppm) −72.1 --- −77.2 −81.9 −85.9 --- −90.3 −94.1 −98.9 −103.9 −107.4 −111.5
Width 5.22 5.22 5.22 5.22 --- 5.22 5.22 5.22 5.22 5.22 5.22
Intermediate. (%) 5.13 7.07 12.37 20.77 --- 13.92 11.88 12.05 5.22 6.49 5.11
F8S2 Maximum of the spectrum. (ppm) --- --- −77.9 −83.5 --- --- −88.1 −93.7 −98.6 −103.1 −108.6 −115.3
Width 5.98 5.98 --- --- 5.98 5.98 5.98 5.98 5.98 5.98
Intermediate. (%) 4.43 10.81 --- --- 19.97 19.33 11.03 11.25 14.20 8.98