Environmental Express SPE-Express with Cover User Manual

Page 20

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SPE-­‐Express  Operation  and  Instruction  Manual  

 

 

www.envexp.com

         

 

 

19  

2.3.6

Method Creation Screen

Press the “Method Creation” button on the Environmental Express SPE-Express Main screen or press F5.

The Method Creation Screen allows the user to create specific method parameters for testing.

2.3.6.1 Pre-Rinse

In this area, the user may enter parameters for hexane pre-rinse.

Use the arrow controls to:

Enter the desired hexane pre-rinse volume in milliliters.

Enter the desired hexane pre-rinse soak time in seconds.

Enter the desired hexane siphon time in seconds.

Enter the desired number of hexane pre-rinses.

2.3.6.2 Disk Activation

In this area, the user may enter parameters for disk activation.

Use the arrow controls to:

Enter the desired methanol injection volume in milliliters.

Enter the desired methanol soak time in seconds.

2.3.6.3 Sample Filtration

In this area, the user may enter the filter drying time for sample filtration.

2.3.6.4 Elution

In this area, the user may enter parameters for the elution step. Use the arrow controls to:

Select the desired hexane spray volume in milliliters per spray.

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