Cooling the mixture prior to filtering allowed the sedimentation of soot in the container, avoiding the expansion of the filtering paper's fibers, which would allow more particles to pass through, resulting in a less complete separation of the mixture (Watrous 1957).
(the sedimentation of soot in the container; avoiding; the expansion of the filtering paper's fibers) (the filtering paper's fibers; would allow; more particles to pass through) Context(the filtering paper 's fibers would allow,List([117, 164))):(more particles; to pass; through)
the filtering paper 's fibers would allow,List([117, 164))
the sedimentation of soot in the container the filtering paper's fibers more particles
avoiding would allow to pass
the expansion of the filtering paper's fibers
more particles to pass through
through