Product Information
Phase Detail
Strata NH<sub>2</sub> SPE Products
Strata NH2 Solid Phase Extraction (SPE) sorbent is a quaternary amine that allows for strong ion exchange
Strata NH2 SPE Products
Normal Phase Solid Phase Extraction (SPE)

This amino phase offers strong polar selectivity and hydrogen bonding under normal phase conditions or can be used as a weak anion-exchange sorbent.

Available Formats

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 NH2 – Weak Anion-Exchange

Strata Tube

1 mL Methanol
1 mL Water, pH 6-7
Pretreated sample, pH 6-7
Wash 1
1 mL 25mM Ammonium Acetate Buffer, pH 6-7
Wash 2
1 mL Methanol, dry under vacuum for 2-5 min
Elute Any Acid
1 mL 5% NH4OH in Methanol
Elute Weak Acids
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.