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<http://webisa.webdatacommons.org/prov/459358637>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/45417142> .
<http://webisa.webdatacommons.org/45417142>	<http://www.w3.org/ns/prov#value>	"After four water washes the filter cake was a fluffy white material made of < 100 (micro)m particles made of smaller spheres." .
<http://webisa.webdatacommons.org/45417142>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<worldwidescience.org> .