Gilson Pipetman Classic Series User Manual page 10

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Each new tip should be pre-rinsed with the liquid
to be pipetted.
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Liquid should never enter the tip holder.
To prevent this:
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If you use the same tip with a larger volume,
pre-rinse the tip.
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For volatile solvents, saturate the air cushion
in your pipette by aspirating and dispensing
the solvent repeatedly before aspirating the
sample.
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When the temperature of the liquid is
different from the ambient temperature,
pre-rinse the tip several times before use.
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You may remove the tip ejector (refer to
Changing the Tip Ejector
aspirate from very narrow tubes.
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After pipetting acids or other corrosive
liquids that emit vapors, remove the tip
holder; then rinse the piston, O-ring, and seal
with distilled water. For the P1000 model,
use a specific tip holder equipped with a
filter to increase the lifetime of the piston
(refer to
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Do not pipette liquids with temperatures
above 70°C or below 4°C. The pipette
can be used between 4°C and 40°C, but
the specifications may vary according to
the temperature (refer to the ISO 8655-2
standard for conditions of use).
10
PIPETTING
Press and release the push button slowly
and smoothly.
Never turn the pipette upside down.
Never lay the pipette on its side when
there is liquid in the tip.
ACCESSORIES
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PIPETMAN® CLASSIC
on page 15) to
on page 11).