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PDF catalog - Teknolab AS

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PRODUCT SELECTION GUIDE<br />

Select a SPE Sorbent<br />

Analyte and Matrix Considerations<br />

Matrix Solvent<br />

Analyte<br />

Functionality<br />

Neutral or hydrophobic<br />

Aqueous<br />

O<br />

Acidic groups<br />

O<br />

S<br />

O-<br />

P<br />

O-<br />

O<br />

O<br />

Polar<br />

OH<br />

NH<br />

COO - NH 2<br />

Ionizable<br />

Basic groups<br />

NH 2<br />

+<br />

NH 3<br />

+<br />

NH +<br />

Organic<br />

Solvent<br />

SH<br />

14

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