Chromatography Hints

Restek ADVANTAGE Articles acrobat-but

GC Operating Hints *.pdf

Main Features

Advantage Issue (links

EzGC and Pro ezGC

Windows Version of EzGC and ProEzGC at reduced price

-   Restek '98 Cat -  392-393)
-   Pro ezGC - Version 2.0 WIN Summer '97
-  
Optimisation Just Got "Ez-ier"     Winter 96 Int'
-   Pro ezGC -   -   Version 1.5  - April 94
-  
EzGC for Fast Economical GC Method Development July '93
-  
Sneak Preview('93) ezGC Software March 93
-   ALL ezGC Articles (approx 1.0meg *.pdf

Extending Septa Life

Septum Nut Torque, Septum Nut Design, Manual Injection vs Autosampler

December 93 p10-11

Certification of Injectors - Splitless Comments

- Konrad Grob

Summer 97

Sample Evaporisation in Hot Injectors
 

- Konrad Grob

 

Vaporising Split Injectors

Evaporation, Syringe Needle Temperature, Vaporisation/Recondensation Affects on Split Ratio

 

Are GC Techniques really optimised - Splitless Injection as an example

- Konrad Grob

Summer 96

Split and Splitless Injection - Operating Hints

Different types Split with wool, cup splitter, laminar cup splitter, cyclosplitter. Splitless - straight tube, gooseneck. Operating Hints. Packed Inlets for Dirty samples

July 1991 p6-8

Sample Evaporation in Splitless Injection - a problem ?

- Konrad Grob

Spring 97

The Importance of Inlet Sleeve Deactivation

For an inert sample pathway, Glass wool or beads ?, Redeactivation ?

September 93 p12-13

Double Gooseneck Sleeves Improve Splitless Injection

Reduced Breakdown & Adsorption of Sensitive Compounds; Reduced Discrimination and Flash-back

May 1992 p12-13

Why Uncoated Guard Columns Allow Injection of Large Sample Volumes

- Konrad Grob

 

The Benefits of Guard Columns in Capillary GC

Less column maintenance, Improves resolution,, protects column,. Connection, replacement ? How long ?

July 93 p8-9

Carbo-Frit Liner Inserts

Highly Inert Alternative to Glass Wool

 

Techniques for Dual Column Confirmational Analysis

Y-Press-tights, Two-hole ferrules, Direct Injection Tees

April '94

Confirmational Analysis Using Dual Columns

Dual Column analysis increases the qualitative and quantitative accuracy; . . . with On-column & direct injection; choosing a confirmational column

July 1992 p10-11

Carrier Gases for GC
 

- Konrad Grob

Fall 97

Hydrogen as Carrier Gas

- Konrad Grob

 

Why 5cm Needles for Injection in Capillary GC

- Konrad Grob

Int Supp `96

Selecting the Proper Ferrule for Capillary Columns

- Konrad Grob

Spring 97

Sample Capacity and Column Overload

What is column overload. How does solubility, film thickness retention, column ID affect column capacity

December 94 p12-13

Materials, Graphite, Vespel/Graphite, Common Sizes

 

 

Column Bleed - When Is It a Problem ?

Bleed - causes, accurate measurement, minimising bleed

January 1992 p8-9

Optimising Linear Velocity and Temperature Program Capillary Chiral Analysis

- Konrad Grob

Winter 98 Int'l

Pro EzGC (ver2.0) for Windows

The Most Powerful GC Optimisation Software with New Features

Summer 97

On the Care & Maintenance of Analytical Syringes

 

Winter 98

Syringe Injection Techniques

Into a Vaporising Injector, Needle Length in Manual Splitless, Techniques for Cold )n-column Injection

Volume 6, No 1 p12-13

Practical Time Savings in GC Method Development

100u column DO pose some practical problems in injection speed and detector sensitivity - discussion of time saving for standard columns

Winter 98

Using Flame Ionisation Detectors ((FID)

Operation, Detector Gases, maintenance, Operating Hints

October '94 p12-13

Using Electrolytic Detectors (ELCDs)

 

 

Using Electron Capture Detectors (ECD)

Operation of . .  , Hints, Mauntenance, Troudleshooting

June '94 p6-7

Quantitative Analysis Pt 1

Internal Standards,, surrogate standards

September 92 p3-4

Quantitative Analysis Pt 11

 

 

Becoming Proficient at Troubleshooting GC Systems

 

November 1991 p6-7

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