Assertion: microscope's specimen | /r/HasProperty | diluted with serial dilution pipettes
Facets:
value: often
type: TEMPORAL
value: prior to
type: TEMPORAL
value: accurately
type: MANNER
Source sentences:
text: Often, the specimen to be counted must be accurately diluted with serial dilution pipettes prior to filling the counting chamber to avoid an excessive number of particles, which can be difficult to count.