Summary of LC Multi Valve Applications

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| style="border:1px solid blue;"|'''M-010'''<br>[http://www.leapwiki.com/mediawiki/index.php?title=M-008_%26_M-009_Dual_Channel_In-Line_Sample_Concentration_or_Filtration]
| style="border:1px solid blue;"|'''M-010'''<br>[http://www.leapwiki.com/mediawiki/index.php?title=M-008_%26_M-009_Dual_Channel_In-Line_Sample_Concentration_or_Filtration]
| style="border:1px solid blue;"|'''Dual Channel in-line Sample Concentration'''<br><br>SPE Column regenerated during analytical extraction
| style="border:1px solid blue;"|'''Dual Channel in-line Sample Concentration'''<br><br>SPE Column regenerated during analytical extraction
 +
| style="border:1px solid blue;"|LEAP Shell
 +
| style="border:1px solid blue;"|* TrioVS<br>
 +
| style="border:1px solid blue;"|* High throughput sample cleanup "Look Ahead"
 +
| style="border:1px solid blue;"|
 +
| style="border:1px solid blue;"|No
 +
|}
 +
<br>
 +
{| cellpadding="6" style="border:1px solid darkgray;"
 +
|- align=left
 +
!width="20"|Code
 +
!width="195"|Application
 +
!width="85"|Control SW
 +
!width="140"|Key Hardware
 +
!width="205"|Key Benefits
 +
!width="235"|Restrictions
 +
!width="15"|GLP
 +
|- align=left
 +
| style="border:1px solid blue;"|'''M-011'''<br>[http://www.leapwiki.com/mediawiki/index.php?title=M-008_%26_M-009_Dual_Channel_In-Line_Sample_Concentration_or_Filtration]
 +
| style="border:1px solid blue;"|'''Dual Channel in-line Sample Filtration'''<br><br>SPE Column regenerated during analytical extraction
| style="border:1px solid blue;"|LEAP Shell
| style="border:1px solid blue;"|LEAP Shell
| style="border:1px solid blue;"|* TrioVS<br>
| style="border:1px solid blue;"|* TrioVS<br>

Revision as of 20:14, 11 May 2009

LC Multiple Valve Applications
Application Type
  STANDARD AND SPECIAL
Application ID
 
Description
  Multiple Valve Applications for LC


Code Application Control SW Key Hardware Key Benefits Restrictions GLP
M-001
[1]
Dual Channel Serial Injection

Provides shorter cycle times by regenerating columns during next analytical run
Analyst with ICC-CE * 6 port injection valve
* 10 port Valve
* Gradient Pump
* Regeneration pump
* Saving of regeneration time(Back Cut)
* Increase throughput at little cost
* Control is all within Analyst
* Compliance is not affected
* Can not do "Look Ahead"
* Injections are not staggered
* Peaks of interest must come of early
* Columns may perform slightly differently on alternating samples
Yes
Code Application Control SW Key Hardware Key Benefits Restrictions GLP
M-002
[2]
Dual Channel Serial Injection with Front Cut

Provides shorter cycle times by regenerating columns during next analytical run and diverts the solvent front to waste
Analyst with ICC-CE * Trio VS
* Gradient Pump
* Regeneration pump
* Saving of regeneration time(Back Cut)
* Increase throughput at little cost
* Control is all within Analyst
* Compliance is not affected
* Avoids contaminating MS inlet with early eluting compounds and solvent
* Can not do "Look Ahead"
* Injections are not staggered
* Peaks of interest must come of early
* Columns may perform slightly differently on alternating samples
Yes


Code Application Control SW Key Hardware Key Benefits Restrictions GLP
M-003
[3]
Dual Channel Parallel Injection

Provides shorter cycle times by limiting the acquisition time to just the peaks of interest and regenerating columns during acquisition
Cycle Composer outside of Analyst * DoubleStack valve
*6 port injection valve
* FWS in front of 6 port valve
* Gradient Pump
* Regeneration pump
* Saving of Front and Back Cut
* Provides "Look Ahead"
* Provides staggering of injections
* Requires matching sample lists in Cycle Composer and Analyst
* Columns may perform slightly differently on alternating samples
No


Code Application Control SW Key Hardware Key Benefits Restrictions GLP
M-005
[4]
Dual Channel Parallel Injection

Provides minimum cycle times by limiting the acquisition time to just the peaks of interest and regenerating columns during acquisition
LEAP Shell * DoubleStack valve
* 6 port injection valve
* FWS in front of 6 port valve
* Gradient Pump
* Regeneration pump
* Integration with Analyst Software
* Single Sample List
* Provides staggering of injections
* Multiplexes 2 separate LC systems into on MS
* Does not support 21CFR11 compliance
* Requires pumps to be integrated with LEAP Shell
No


Code Application Control SW Key Hardware Key Benefits Restrictions GLP
M-006
[5]
Inline Sample Concentration

SPE Column regenerated during analytical extraction
Analyst with ICC-CE * TrioVS
* Automated concentration and elution of sample on SPE column prior to separation on analytical column * No "Look Ahead"
* Can not prep samples ahead of analytical run
No


Code Application Control SW Key Hardware Key Benefits Restrictions GLP
M-007
[6]
Inline Sample Filtration

SPE Column regenerated during analytical extraction
Analyst with ICC-CE * TrioVS
* Automated filtration of sample on cleanup column prior to separation on analytical column * No "Look Ahead"
* Can not prep samples ahead of analytical run
No


Code Application Control SW Key Hardware Key Benefits Restrictions GLP
M-008
[7]
Dual Channel In-line Sample Concentration

SPE Column regenerated during analytical extraction
Cycle Composer outside of Analyst * TrioVS
* Dual Stream
* High throughput sample cleanup "Look Ahead"
* Requires two matching sample lists No


Code Application Control SW Key Hardware Key Benefits Restrictions GLP
M-009
[8]
Dual Channel in-line Sample Filtration

SPE Column regenerated during analytical extraction
Cycle Composer outside of Analyst * TrioVS
* Dual Stream
* High throughput sample cleanup
* "Look Ahead"
* Requires two matching sample lists No


Code Application Control SW Key Hardware Key Benefits Restrictions GLP
M-010
[9]
Dual Channel in-line Sample Concentration

SPE Column regenerated during analytical extraction
LEAP Shell * TrioVS
* High throughput sample cleanup "Look Ahead" No


Code Application Control SW Key Hardware Key Benefits Restrictions GLP
M-011
[10]
Dual Channel in-line Sample Filtration

SPE Column regenerated during analytical extraction
LEAP Shell * TrioVS
* High throughput sample cleanup "Look Ahead" No


For other cost/time saving measures consider:

  • LEAP offers multiple choices of Valve Self Wash Stations to aid in cleaning the valve [11]
  • LEAP Shell Software and application for custom injections and scheduling [12]

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For additional information about this technique please contact LEAP Technologies for detailed information

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