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Learning Center
Micro-Volume Sampling—How it Works
78 NanoDrop Eight User Guide
Thermo Scientific
Micro-Volume Sampling—How it Works
Surface Tension
The NanoDrop Eight spectrophotometer uses surface
tension to hold a small volume of sample between
two pedestals (upper and lower). The patented
sample retention system enables the measurement of
highly concentrated samples without the need for
dilutions.
A fiber optic cable embedded in the upper pedestal
leads to a xenon light source. A second cable
embedded in the lower pedestal leads to a detector.
When the instrument arm is down, the sample forms
a liquid column, essentially bridging the gap between
the two fiber optic cables.
Summary of Contents for NanoDrop Eight
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