A benzene sulfonic acid group is bonded to the surface of the silica particle, giving strong cation-exchange selectivity.
Surface Area (m²/g) m²/g |
Separation Mode Ion Exchange |
Particle Size 55 |
Recommended Use Extraction of weakly basic compounds |
96-Well-Plate
1, 3, and 6mL Tubes
Condition
1 mL Methanol
|
Equilibrate
1 mL Acidified Water
|
Load
Pretreated sample (acidified)
|
Wash 1
1 mL 0.1N HCl in Water
|
Wash 2
1 mL 0.1N HCl in Methanol, dry under vacuum for 2-5 min
|
Elute
1 mL 5 % NH4OH in Methanol
|
Based on 100 mg/1 mL sorbent mass. The above is a convenient starting point for SPE method development, further optimization may be required to tailor the method for your specific extraction needs.