PerkinElmer OilExpress 4, User Manual

Page: 59 / 152

Overview of the OilExpress 4 System . 59
8. The spectrometer collects a background spectrum.
The autosampler status is
Idle
. The spectrometer status is
Background
.
9. The autosampler moves to the first available clean tip in the first available clean tip box
and loads a disposable tip on VersaTips 1 and 3.
When starting from a full tip box, tips in position 1 and 3 (and not in position 1 and 2)
are collected.
The autosampler status is
Loading
. The spectrometer status is
Idle
.
10. The autosampler moves to the first two sample positions in a sample rack, and
aspirates the first two samples into the disposable tips.
Samples in position 1 and 2 are aspirated. Each disposable tip is lowered into the
sample (to the appropriate sampling height) and the sample is aspirated.
The volume aspirated is 800 µl.
11. The autosampler then moves the disposable tip on VersaTip 1 into position over
Fill Cup 1 of the injection station.
12. The disposable tip is lowered into the fill cup to form a seal and the syringe pump
dispenses the sample to the fill cup.