Assertion: buckwheat's concentration | /r/HasProperty | measured as the difference
Facets:
value: at 530
type: TEMPORAL
value: in absorbance of the supernatant
type: OTHER
value: spectrophotometrically
type: MANNER
Source sentences:
text: Concentrations were measured spectrophotometrically, as the difference in absorbance of the supernatant at 530nm and 600nm.