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The Grob Test
Care and maintenance of Capillary Columns for Gas Chromatography
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INDEX

The Grob Test
Characteristics and Advantages
Standardization
Activity
Separation Efficiency
Column Type
Film Thickness
Glass vs Fused Silica Tubing
Test your Column
Inert non-polar Column
If you got this (activity):
adsortive column
If you got this (low resolution):
Low resolution
If you got this:(deposition of involatiles on the column):
Involatiles on the column
Or this (Dirty injector):
Dirty injector
If you got this (Acquired activity):
Acquired activity
If you use glass capillaries and got this:
Effect of rectification
Conclusion
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