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. 2022 Mar 10;23(6):2989. doi: 10.3390/ijms23062989

Table 1.

Percentage weight fraction of carbon, hydrogen, and nitrogen obtained by Elemental analysis, along with the PZC and bonding amount for silica, [Si][C3]Cl, and the three SILs [Si][N3222]Cl, [Si][N3444]Cl, and [Si][N3888]Cl.

SIL Elemental Analysis PZC Bonding Amount (µmol m2)
% Carbon % Hydrogen % Nitrogen
Silica - - - 3.4 ± 0.2 -
[Si][C3]Cl 4.637 ± 0.486 1.394 ± 0.047 - 4.2 ± 0.1 2.964
[Si][N3222]Cl 6.724 ± 0.565 1.563 ± 0.054 0.276 ± 0.013 9.0 ± 0.2 0.454
[Si][N3444]Cl 6.379 ± 0.638 1.427 ± 0.091 0.139 ± 0.009 6.0 ± 0.8 0.228
[Si][N3888]Cl 6.426 ± 0.473 1.432 ± 0.097 0.060 ± 0.011 5.5 ± 0.3 0.099