Assertion: chlorophyll's pigment | /r/HasProperty | analyzed using a turner design fluorometer
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Source sentences:
text: Following filtration, pigments were extracted by storing the filters in 90% acetone at −20°C for between 10 and 24 h. Samples were then analyzed using a Turner Design Fluorometer, pre- and post-calibrated using pure chlorophyll-a in 90% acetone as a standard.