Product Information
Phase Detail
Strata SAX (Strong Anion Exchange) SPE Products
Strata SAX Solid Phase Extraction (SPE) sorbents is a strong anion exchange sorbent that offers robust cleanup
Strata SAX (Strong Anion Exchange) SPE Products
Ion-Exchange Solid Phase Extraction Sorbent (SPE)

The quaternary amine group on this sorbent remains positively charged under all conditions, giving a strong anion-exchange mechanism of retention.

Particle Size
55
Pore Size
70
Separation Mode
Ion Exchange
Surface Area
500
Recommended Use
Extraction of weakly acidic compounds
Available Formats
Strata 96 Well Plate
96-Well Plates
Strata Tubes
1, 3, and 6 mL Tubes
Strata Giga Tubes
Giga Tubes (12-150 mL Tubes)
Starting Method

Strata SAX – Strong Anion-Exchange


Strata Illustrated Tube

Condition
1mL Methanol
Equilibrate
1 mL DI Water
Load
Pretreated sample, pH 6-7
Wash 1
1 mL 25 mM Ammonium Acetate Buffer, pH 6-7
Wash 2
1 mL Methanol, dry under vacuum for 2-5 min
Elute
1 mL 5 % Formic Acid 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.