Assertion: precipitated barium sulfate | /r/ObjectUse | used as the starting material
Facets:
Source sentences:
text: A precipitated barium sulfate having a crystallite size d50 of 26 nm is used as the starting material.
text: A precipitated barium sulfate having a crystallite size d50 of 26 nm is used as the starting material.
text: A precipitated barium sulfate having a crystallite size d50 of 26 nm and whose surface is organically surface-modified with a fatty acid (stearic acid Edenor ST1) is used as the starting material.