An overview of direct/
on-column injection.
- Advantages of direct injection over splitless injection.
- Factors affecting direct injection.
- Techniques for converting packed column GCs to capillary column use.
| What is direct/on-column flash vaporization injection? 2 - What is the difference between a direct and on-column injections
- Advantages of Direct Over Splitless Injections 3
- Direct Injections Require Higher Carrier Gas Flow Rates than Split or Splitless Injection
- Modes 4
- Direct Injections Require Higher Carrier Gas Flow Rates than Split or Splitless Injection Modes 5
- Keep Injection Volumes Small When Making Direct Injections 6
- Slow the Injection Rate or Decrease the Sample Vapor Cloud When Making Large Injections 6
- Slow the Injection Rate or Decrease the Sample Vapor Cloud When Making Large Injections 7
- Slow the Injection Rate or Decrease the Sample Vapor Cloud When Making Large Injections 8
- Use Only High Quality Septa When Using Direct Injection Systemsin inlets not Equipped with Septum Purge
9
Always use Make-up Gas with Direct Injection Systems 9 - Types of Inlet Sleeves Used for Direct Injection Systems 10
- Careful - Don't Crush the Column End 10
- Converting Packed Column Inlets to Direct Injections 11
Vu-Tight Inlet Sleeves 11 - Uniliners 12
Uniliners" and Uniliner" Sleeve Adaptors 12
more . . . 13 - Converting Split/Splitless Inlets to a Direct Injection Mode 14
Uniliner" for Split/Splitless Injectors 14 - Uniliner" for Split/Splitless Injectors 15
- Make-up Gas Kits 16
- Make-up Gas Kits 17
- Dual Column Analysis 18
- Press-Tight" Connectors 19
- Packed Column Inlet Fittings
Guard Columns & Transfer Lines
20 - Gow-Mac, Flow Meters,& Methane Cylinder 21
- Instrument Supplies 22
Inlet Supplies for HP GCs 22 . . . more 23
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