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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.

Surface Area (m²/g)
Separation Mode
Ion Exchange
Pore Size
Particle Size
Recommended Use
Extraction of weakly acidic compounds

Available Formats


1, 3, and 6mL Tubes

Giga Tubes (12-150mL Tubes)

Starting Method

Strata Illustrated Tube

Strata SAX – Strong Anion-Exchange

1mL Methanol
1 mL DI Water
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
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.