Assertion: phosphate's amount | /r/CapableOf | add to the feedwater
Facets:
value: in preferred embodiment
type: MANNER
Source sentences:
text: In preferred embodiment, the amount of a fluorescent tracer(s) added to the feedwater and/or boiler system should be sufficient to provide a concentration of the tracer(s) in the feedwater and/or blowdown to be analyzed of from about 5 ppb to about 100 or 200 ppm, although the preferred inert tracers specifically mentioned herein need not be present in the sample analyzed in excess of about 5 or 7 ppm.