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绿盟科学仪器有限公司 Jiangsu Green Union Science Instrument Co.,Ltd

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SPE Column--Alumina B

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