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The CHROMacademy Essential Guide Webcast:
What GC Operators Need to Know:
Part 2: Everything Needed to Understand Detectors, Methods, and Troubleshooting.

Thursday 16th July 2015,
8:00am PDT / 11:00am EDT / 16:00 BST / 17:00 CEST

Part II of our definitive guide to what all GC operators need to know will examine how to select the correct detector for your application as well as which parameters can and should be optimized. We will discuss what an optimum GC method looks like and how to implement a written method - including what choices need to be made in relation to the carrier gas, setting up the inlet etc. If your lab requires higher throughput then our insights into speeding up GC will be invaluable. Finally, even the best developed method and most well maintained GC instrument can develop problems; therefore, we will finish this webcast by letting you into a few secrets on how the experts troubleshoot GC problems.

Presented by John Hinshaw (Senior Scientist, BPL Global Ltd) and
Tony Taylor (Technical Director, Crawford Scientific).

Understanding GC Detectors
  • Understand how common detectors such as FID, NPD, ECD etc. work
  • Use of novel and more advanced detectors (VUV and MS)
A “Blueprint” Approach to GC Methods
  • How to understand the SOP
  • Setting up an instrument to implement a written method
  • Checking the system is working as it should be
    (check-out samples and system checks)
Speeding up GC
  • How fast can a GC separation be?
  • Do you require new or upgraded instrumentation?
  • Increasing analysis speed using narrow bore columns
  • Demands upon autosamplers, inlets, ovens, detectors, and data-handling systems
GC Troubleshooting Made Simple
  • Learn how experts troubleshoot GC chromatography problems
  • Use the CHROMacademy troubleshooter to make troubleshooting as easy as 1, 2, 3

Key Learning Objectives:

  • Learn how to get the most out of your GC detector
  • Understand which parameters are critical for a successful GC method
  • Learn how to perform faster GC separations
  • Gain troubleshooting tips directly from our experts

Who Should Attend:

  • All analytical scientists
  • Anyone using GC
  • Anyone requiring greater GC sample throughput
  • Anyone with a problem which needs troubleshooting
 
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Find out more about this Month's Essential Guide Webcast »

 
 

What GC Operators Need to Know (Part 2)

Every GC operator should have certain knowledge and skills in order to produce the right quality data in the most efficient manner.  This series of two webcasts highlights this knowledge and provides a very pragmatic guide to the day to day operation of a Gas Chromatograph as well as a valuable insight into the important variables from any GC method.

Every GC needs to be set-up properly prior to analysis, which may include checks on supply gas checks, column installation and conditioning as well as routine inlet and detector maintenance checks.  A checklist of these items is good to follow and is often included in an instrument operation SOP – but do we always follow the SOP least a rudimentary?  When was the last time you questioned WHY, some of these operations are necessary?

The instrument then needs to be equilibrated and test injections made to assess the suitability of the system to produce valid analytical data.  The baseline, chromatographic appearance and any quantitative output should be evaluated for suitability.  What is the best way to do this?

Every GC operator should be able to critically evaluate the method being implemented with a rudimentary knowledge of the column chemistry and why this particular column stationary phase and dimensions have been chosen for the particular analysis.  The method of sample preparation should be understood and the choice of sample solvent should be rationalised against the conditions at the beginning of the analysis.  The inlet conditions should be checked to ensure they are appropriate for the analysis and do not risk problems with system contamination or poor quantitative reproducibility.
The oven temperature program should be rationalised against the required separation and sample complexity and the detector type and settings should be checked to ensure they are appropriate.

Only by having the ability to properly implement an analysis and critically evaluate the method under consideration can a GC operator produce data which is fit for purpose on an on-going basis and begin to investigate any problems which might arise?
Are YOU fit for purpose?  This series of webcasts will help to ensure that you are!

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Fundamentals of GC - Video Training Course Fundamentals of GC - Video Training Course - Starts July 16th

This four session training course contains everything you need to know in order to become a highly proficient GC operator and gain a deep understanding of the technique.  The instrumentation, theory and application of GC is considered in great detail and this course is highly recommended. 

The course is assessed in order that you can prove competence in this important analytical technique.
The course requires registration and will run on four consecutive Thursdays from July 16th.  Each session is recorded and can be viewed ‘on-demand’ if you cannot make the scheduled broadcast times.  There are a limited number of seats available so each attendee is expected to complete each module and the final assessment.

GC Course Overview   View course descriptions and watch sample video
 

eLearning Modules


GC Detectors GC Temperature Programming

The second of the two options we have for optimising selectivity of the separation in Gas Chromatography, the correct selection of temperature program conditions is vital to obtaining a good separation. Methods in routine operation are often not optimised in terms of the initial or final temperature or the ramp rate of the program and multi-step gradients are often employed to solve problems which could have been overcome with much simpler approaches. This module will help you to understand the critical cause and effect relationships in capillary GC.

Theory of Temperature Programmed GC | Scouting Gradients | Adjusting the Ramp Rate

 
GC Detectors GC Detectors

Choosing the appropriate detector, knowing what sensitivity and linearity to expect and understanding how to optimise detector output is critical for any GC Operator.  A good understanding of the operating principles and variable setting is important and you should be able to critically evaluate any method you are using and rationalise the settings against the application being implemented.

The Flame Ionisation Detector | FID Operating and Optimising | FID Uses and Performance

 
 
Quick Guides

Fast HPLC Optimising GC Temperature Programming

We want to share with you some tricks of the trade to enable you to understand and optimise your temperature programmed gas chromatography.

Optimising GC Temperature Programming »

 
Fast HPLC My GC Detector Flame Won’t Light

No matter what kind of GC inlet you are using we have some helpful hints that can be applied to achieve the best sample introduction every time.

My GC Detector Flame Won’t Light »

 
Fast HPLC GC Temperature Programming - 10 Things You Absolutely Need to Know

Why does the oven temperature in splitless analysis always start at a low temperature?
What is the optimum initial hold time for any GC temperature program?
Should I be running the separation in Isothermal mode?
What is the optimum temperature ramp rate for a separation?
Find out this and much more here…

GC Temperature Programming - 10 Things You Absolutely Need to Know »

 
GC Detectors Optimizing Detectors for Capillary GC

Learn about the operating principles of each of the common GC detectors and how to optimise the critical variables. Get familiar with what performance should be achieved from each detector type and in which type of application they are typically used. Learn to identify the signs and symptoms that indicate when things are going wrong!
Find out this and much more here…

Optimizing Detectors for Capillary GC »

 
GC Detectors Essential Guide to GC Troubleshooting - Column & Detector Issues

One of a three part series to take you from zero to hero as a lab troubleshooter. Learn how to spot problems, define them properly, investigate the causes quickly and efficiently and in some cases fix them yourself. Of course – the emphasis is always on what to do in order to avoid these issues occurring in the first place!

Essential Guide to GC Troubleshooting - Column & Detector Issues »

 
 
 
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Key Learning Objectives:

  • Learn how to get the most out of your GC detector
  • Understand which parameters are critical for a successful GC method
  • Learn how to perform faster GC separations
  • Gain troubleshooting tips directly from our experts

Who Should Attend:

  • All analytical scientists
  • Anyone using GC
  • Anyone requiring greater GC sample throughput
  • Anyone with a problem which needs troubleshooting

John V Hinshaw
Senior Scientist
BPL Global Ltd

 

Tony Taylor
Technical Director
Crawford Scientific