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Enviro-Clean QAX (Quaternary Amine/Acetate Cntr) 500mg/3mL, 50 pkg
Reference: EAQAX153
SAX is a strong anion exchange sorbent ideally suited for the extraction of compounds such as carboxylic acids, which may not retain effectively on weak anion exchange sorbents. Can have chloride, hydroxide, acetate or formate counter ion.
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Product description
Product description
SAX is a strong anion exchange sorbent ideally suited for the extraction of compounds such as carboxylic acids, which may not retain effectively on weak anion exchange sorbents. Can have chloride, hydroxide, acetate or formate counter ion.
| Organic Loading | 8,4% |
| Average Pore Size | 60Å |
| Surface Area | 500 m2/g |
| Pore Volume | 0.77 cm3/g |
| Anion Exchange Capacity | 0,230 meq/g |
| pKA | always charged |
General method for column with 100mg of sorbent
Condition
1 mL Methanol
Equilibrate
1 mL Water pH 6–7
Load
Pretreated sample at 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
Recommended applications:
Caffeine, Organic acids, Saccharin
Parameters
Parameters
| Brand: | Enviro-Clean |
| Category: | Laboratory instruments and accessories / Chromatography / SPE columns |
Dimensions
| SPE format | Plastic tubes |
| Sorbent mass | 500mg |
| SPE Volume | 3ml |
Material
| SPE sorbent name | Enviro-Clean |
| SPE sorbent | Quarternary Amine Acetate |
| SPE endcapping | n/a |
