Globe Scientific GCM-24, User Manual

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11. Rotor Instructions (Cont.)
AVAILABLE ROTORS AND ADAPTERS
All rotors are considered bio-safe when the rotor lid is tightened to the rotor. In this condition, centrifuge tubes will be
enclosed in the rotor and ensures the sample and its aerosols do not leak during centrifugation.
If the rotor lid is not available, the rotor is not considered bio-safe. The rotors can be used as follows:
Rotor Type Tube Size / Type Adapters
Required Maximum
speed (rpm) Maximum
centrifugal
radius (cm) Maximum
RCF (×g)
GCM-24-2ML
2.0/1.5ml tube 15000 8.5 21380
0.2ml PCR tube GCM-24-AD2 15000 6.9 17350
0.5ml PCR tube GCM-24-AD5 15000 7.6 19100
GCM-24-05ML
0.5ml PCR tube 15000 8.5 21380
0.2ml PCR tube GCM-24-AD52 15000 7.6 19100
GCM-24-PCR 0.2ml PCR tube
6.5/
7.2 16350/
18100
NOTE:
The centrifuge rotor can separate samples with a density lower than 2.0g/ml. If the sample density is over
2.0g/ml, calculate allowable speed using the following formula:
12. Calculating RCF
The RCF can be determined with the following formula:
RCF = 1.118 × r × n 2 × 10 -5
r = rotating radius, unit: cm; n = rotating speed, unit: rpm