Optimized for gravity flow, this sorbent offers hydrophobic selectivity from a C8 phase and strong cation-exchange properties for the extraction of basic drugs from biological matrixes. Offers the selectivity of Screen-C in a gravity flow particle size for viscous samples.
1, 3, and 6mL Tubes
Giga Tubes (12-150mL Tubes)
Condition
1 mL Methanol
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Equilibrate
1 mL Acidified Water
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Load
Pretreated sample (acidified)
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Wash 1
1 mL 0.1 N HCl in Water
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Wash 2
1 mL 0.1 N HCl in Methanol, dry under vacuum for 2-5 min
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Elute
1 mL 5 % NH4OH in Methanol
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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.