HPLC Columns Explained | Understanding Carbon Load and Surface Area for Better Separations
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Why does one C18 column behave differently from another? The answer often comes down to two overlooked details: carbon load and surface area.
In this video, Dr. Lee Polite breaks down:
How carbon load is measured in HPLC columns
Typical carbon load ranges (7% to 30%) and what they mean
Why higher or lower carbon load changes retention and capacity
How surface area (100–300 m²/g) impacts column performance
What these parameters mean for prep-scale work and overload
Whether you’re new to chromatography or looking to fine-tune column selection, this explanation will give you practical insight into how to get better separations.
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