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HC-C18(2)

Agilent TC-C18(2) is the ideal choice for complex natural product extract samples, traditional medicines and environmental samples or any sample where you need to analyze mixtures of polar and non-polar compounds, including strong basic compounds.
Agilent HC-C18(2) is a more retentive C18 with a higher carbon load. An excellent value alternative to other high carbon load columns, it also provides superior peak shape for basic compounds.
• Higher carbon load – 17% – provides greater retention for moderately polar and non-polar compounds
• Ideal for non-polar compounds and separations that start at mid-level % organic (at least greater than 10% organic)
• Good choice for industrial samples or samples dissolved in organic/mostly organic solvents
• Stable over a very wide pH range (2-9) for maximum flexibility

DB-1ms
• 100% Dimethylpolysiloxane
• Identical selectivity to DB-1
• Non-polar
• Very low bleed characteristics, ideal for GC/MS
• Improved acid performance compared to standard 100% Dimethylpolysiloxane columns
• Improved signal-to-noise ratio for better sensitivity and mass spectral integrity
• 340/360 °C upper temperature limit
• Excellent general purpose column
• Bonded and cross-linked
• Solvent rinsable