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5.D. Sample Position
For low-concentration samples, cuvettes often give slightly different measurements depending upon
their orientation in the sample compartment. This is due to defects in the shape of the cuvette that are
not visible to the human eye. We recommend marking the cuvette at the top and positioning it in the
Sample Compartment the same way each time to minimize error.
5.E. Data Quality
The QuantiFluor™ Fluorometer is only as accurate as the standards that are used to calibrate it. It is
important to take care when preparing standards, samples and blank. Follow the appropriate laboratory
practices when preparing all solutions and reagents.
5.F. Periodic Maintenance and Cleaning
Keep the outside of the instrument clean by wiping with a damp cloth. Remove spills or stains with a
cloth dampened with a mild detergent.
If a liquid is accidentally spilled inside the Sample Compartment, invert the QuantiFluor™ Fluorometer
to drain the excess liquid. Then wipe the inside area dry with a clean soft cloth. If extra cleaning is
needed use a cloth dampened with a mild detergent.
Do not use solvents; they may corrode the plastic case of the QuantiFluor™ Fluorometer.
Do not submerge the QuantiFluor™ Fluorometer in water. Do not disassemble the unit.
Always power off the instrument before cleaning. Be sure to unplug the QuantiFluor™- Fluorometer
before cleaning.
Promega Corporation · 2800 Woods Hollow Road · Madison, WI 53711-5399 USA · Toll Free in USA 800-356-9526 · Phone 608-274-4330 · Fax 608-277-2516 · www.promega.com
Printed in USA.
Revised 1/11
Part# TM338
Page 17
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