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• Twin PAL - High Throughput injections using Cycle Composer
  ... ggering injections onto 2 sets of column switching setups totaling in 4 LC columns and 5 valves. Four customer-provided pumps will be used in a dedicated fa ...
  5 KB (733 words) - 13:55, 11 June 2010
• Multiplexing LC injections
  ... njection onto column 1 during the front cut and/or column equilibration of column 2.
  3 KB (455 words) - 13:41, 8 June 2010
• Online Sample Cleanup using column switching with Multi-Valve system
  ... ion by one (1) pre-column followed by chromatography on two (2) analytical columns. The goal is an increase in throughput by simultaneously executing sample ...
  3 KB (452 words) - 21:33, 10 August 2009
• Filtering of Samples
  * Prevents blocking of capillaries, frits, and the column inlet ... namic Load and Wash) module and L-Mark syringes, peltier cooled valves and columns. LEAP provides automation that fits your needs and reduces errors, incr ...
  5 KB (838 words) - 00:45, 18 October 2010
• Unique Injections
  *[[On-Column Injection]]
  438 B (46 words) - 16:01, 25 August 2009
• Glossary
  [http://www.leapwiki.com/mediawiki/index.php?title=Category:Column Column] ... //www.leapwiki.com/mediawiki/index.php?title=Category:Column_Equilibration Column Equilibration]
  25 KB (3880 words) - 15:10, 17 June 2013
• MS Tuning
  |name = Mass Spec Tuning and column selection ... pwiki.com/mediawiki/index.php?title=Category:Mass_spectrometry] tuning and column selection. This is run directly from within '''Analyst® Software'''[http ...
  4 KB (607 words) - 22:39, 6 November 2009
• ITSP cartridge
  ... perative that particles are eliminated to avoid blockage of HPLC lines and columns. ... g a closed environment above the bedmass. By removing the volume above the column bedmass and replacing it with the analytical instrument’s syringe, solut ...
  12 KB (1779 words) - 18:25, 20 April 2011
• Micro Extraction by Packed Sorbent
  ... ww.nxtbook.com/nxtbooks/advanstaruk/thecolumn0707/index.php?startid=26 The Column article "It's a Small World"] ... ww.nxtbook.com/nxtbooks/advanstaruk/thecolumn0408/index.php?startid=12 The Column article "On-Site Sample Preparation Using MEPS for Wastewater Analysis ]
  21 KB (3248 words) - 00:45, 21 October 2010
• SPME
  SPME can be thought of as a very short gas chromatography column turned inside out. SPME involves the use of a fiber coated with an extract ... ... e analytes are concentrated on the fiber, and are rapidly delivered to the column, minimum detection limits are improved and resolution is maintained.
  12 KB (1825 words) - 15:15, 17 June 2013
• Sandwich Technique for Small Sample Volumes
  ... period of time to permit rapid introduction of sandwiched sample onto the column.
  3 KB (517 words) - 13:43, 8 June 2010
• Detecting a Carcinogen in Alcohol Beverages
  ... awiki/index.php?title=SPME] and injected into a Split/Splitless inlet. The column used for this experiment was a HP5 30m x 0.25 um x 0.25 um. 10mL vials wer ...
  2 KB (358 words) - 13:38, 8 June 2010
• Summary of LC Multi Valve Applications
  *[[Column Selection]] ... ications are pre-column SPE, pre-column cleanup, sample desalting,parallel column [http://www.leapwiki.com/mediawiki/index.php?title=Category:Regeneration r ...
  19 KB (2812 words) - 13:12, 8 June 2010
• M-010 & M011 Dual Channel In-Line Sample Concentration or Filtration - LEAP Shell
  ... px solid blue;"|'''Dual Channel in-line Sample Concentration'''<br><br>SPE Column regenerated during analytical extraction ... r:1px solid blue;"|'''Dual Channel in-line Sample Filtration'''<br><br>SPE Column regenerated during analytical extraction
  3 KB (393 words) - 16:39, 10 June 2009
• MALDI Spotter with the PAL
  approx. 3μl with 1 meter PEEK Tubing ID 65μm (column in LC system)<br> approx. 10nl if column is installed inside MALDI Tool<br>
  10 KB (1558 words) - 00:47, 21 October 2010
• On-line SPE LC/MS/MS to Detect Organonitrogen and Triazine Pesticides in Drinking Water
  ... verse phase LC column. The pesticides are then separated on the analytical column using a binary LC gradient and are determined on the ABI LC/MS/MS System.
  5 KB (691 words) - 13:42, 8 June 2010
• A Flexible LCMS Front End for High-Throughput Bioanalytical Analysis in GLP Environment
  * Paralleled LC-MS analysis with or without guard column regeneration ... presented as two examples. One study used the dual channel HPLC with guard column regeneration. The other used the dual channel on-line SPE.
  4 KB (547 words) - 21:24, 10 August 2009
• Automated online liquid chromatographic/mass spectrometric metabolic study for prodrug stability
  ... n online extraction column. The extracted sample then enters an analytical column for separation and ultimately the mass spectrometer for detection. The inj ...
  4 KB (622 words) - 13:39, 8 June 2010
• Increasing throughput of parallel on-line extraction liquid chromatography/electrospray ionization tandem mass spectrometry system for GLP quantitative bioanalysis in drug development
  ... of 0.8 min was achieved. By adding an additional valve, another analytical column and an isocratic pump, the injection-to-injection cycle time decreased to ...
  3 KB (408 words) - 13:39, 8 June 2010
• Integrated high capacity solid phase extraction-MS/MS system for pharmaceutical profiling in drug discovery
  ... r a majority of the remaining compounds, are described. No analytical HPLC column is used and the analysis rate is approximately 50 samples/h. Specificity i ...
  3 KB (439 words) - 13:40, 8 June 2010

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