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SPE Column 100mg, 200mg, 500mg, 1g, 2g, 1ml, 3ml, 6ml, 12ml Alumina Neutral, Alumina Acidic, Alumina B

AL is a sorbent manufactured from alumina(Al2O3), available in three types : type A(acidic), type B(basic), type N(neutral).

AL-A

Base material

Al2O3 (Acidic), Particle Size: 125 μm

pH

4.5

Retention mechanism

Lewis acid, polar, and ion exchange interactions

Application

Polar and anionic compounds


AL-N

Base material

Al2O3 (Neutral), Particle Size: 125 μm

pH

7.5

Retention mechanism

Lewis acid, polar, and ion exchange interactions

Application

Extract polar compounds from non-polar matrix. Remove polar hydrocarbons, organic acids, and phenols in extracts. Separate compounds with very similar structures (isomers)


AL-B

Base material

Al2O3 (Basic), Particle Size: 125 μm

pH

10.0

Retention mechanism

Lewis acid, polar, and ion exchange interactions

Application

Polar and anionic compounds, amines

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