Axis BTA 2100D Instrukcja Operatora Pobierz pdf (Strona 249)

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Item Description

Inject Speed (uL/sec) 0.1 to 50.0 µL per second with 10 µL syringe

0.1 to 25.0 µL per second with 5 µL syringe

Specifies the speed at which the contents of the syringe

will be expelled into the injector.

Pre-Inj Delay (sec) 0 to 99.9 seconds

Specifies the length of time the syringe needle resides in

the injector before expelling the syringe contents.

Post-Inj Delay (sec) 0 to 99.9 seconds

Specifies the length of time the syringe needle remains in

the injector after expelling the syringe contents.

Default Settings for Predefined AutoSampler Modes

The following table lists the parameter settings used for each of the Predefined

8400/8410 modes using a 10 µL syringe. If the predefined modes do not work

acceptably for your samples, use the User Defined mode to enter settings that

will work better with your samples. The values listed in this table provide a

starting point for setting the various parameters.

Parameter

Std

Split/

Splitless

Std On-

Column

Neat



Volatile

Viscous

Solvent Plug

Settings:

Solvent plug is not used with predefined modes. If you wish to use

solvent plug injections, you must use User Defined mode.

PreDefined

Settings:

Fill Volume 7.5 µL 7.5 µL Not used Not used Not used

Fill Strokes 5 5



0 0

Sample Air Gap No No No No No

Air Plug after

Sample

1 µL 1 µL 1 µL 1 µL 1 µL

Viscosity

Settings:

Viscosity Delay 0 sec 0 sec 0 sec 6 sec 9.9 sec

Fill Speed 2 µL/sec 2 µL/sec 2 µL/sec 1 µL/sec 1 µL/sec

Inject Speed 50 µL/sec 2 µL/sec 50 µL/sec 1 µL/sec 5 µL/sec

Pre-Inj Delay 0 sec 0 sec 0 sec 0 sec 0 sec

Post-Inj Delay 0 sec 6 sec 0 sec 0 sec 12 sec



Instead of fill strokes Neat mode fills the syringe with sample at 2 µL/sec then

expels it into the waste cup at 50 µL/sec. It does this a total of six times. Then it

fills the syringe with sample at 2 µL/sec and expels it back into the sample vial at

50 µL/sec. This “pumping” action is done three times. After this is completed, the

sample is loaded into the syringe and injected using the parameters in the table.

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