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SampliQ C18 ODS products are based on bonded, reversed phase
(octadecylsilane), irregular, silica gel (silica) particles. This non-polar,
non-endcapped sorbent provides additional polar interactions associated
with the surface silanol groups. It also enhances retention of basic compounds
compared with the corresponding endcapped sorbent. It is recommended
as a general purpose SPE phase for both polar and non-polar analytes.
SampliQ C18 has a 24% carbon loading.
Figure: Structure of octadecylsilane (C18)
covalently bonded to the surface
of silica particle
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