8
Operating instructions
Eppendorf Xplorer
®
/Eppendorf Xplorer
®
plus
English (EN)
1.4 Glossary
A
Additional volume
The total of the remaining stroke and the reverse stroke.
B
Biopur
Eppendorf Biopur
®
is an Eppendorf AG purity level for consumables. Eppendorf Biopur
®
meets the requirements for standard products, e.g., precision, accuracy, wetting behavior,
tightness. Eppendorf Biopur
®
also meets the requirements with regard to sterility,
absence of ATP, PCR inhibitors, human and bacterial DNA, pyrogens, DNase and RNase.
Consumables with the Biopur purity grade are controlled and certified by an external
laboratory.
Certificates are available from our website
www.eppendorf.com.
Blow out
The piston moves to the lowest position in order to blow out the residual liquid from the
pipette tip. During pipetting operations, the liquid from the blow-out is part of the
dispensing volume. During reverse pipetting operations, the liquid is not part of the
dispensing volume.
C
Cycle
Together, the upward piston movement (liquid aspiration) and downward piston
movement (liquid dispensing) form a cycle.
F
Free jet dispensing
Dispensing of liquid without the dispensing tip (pipette tip, dispenser tip) touching the
tube inner wall.
I
Increment
Step size or resolution. The smallest possible change by which a value can be increased.
ISO 8655
The standard defines limit values for the systematic error, the random error and the test
methods for dispensers.
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