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Tetracyclines

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Matrix

Honey

Analytes

Oxytetracycline, Tetracycline, Chlortetracycline

SPE Cartridge

SiliaPrepX WCX
60 mg / 3 mL
SPE-P0015-03BB

Sample Pretreatment before Loading

Dilute honey in Sodium Acetate (100 mM, pH 5.0).

Conditionning

2 mL of Methanol

Equilibration

2 mL of Water

Loading

4 mL of pretreated sample

Washing

4 mL of Water
4 mL of Methanol
Dry the cartridge

Elution

2 mL of 2 % Formic Acid in Methanol

Further Treatment

Evaporation under Nitrogen, reconstitution with Oxalic Acid (10 mM, pH 2.0) / Acetonitrile (80:20) and identification by HPLC.

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  1. SiliaPrepX WCX Polymeric SPE Cartridges, 85 µm, 60 Å (SPE-P0015)

    SiliaPrepX WCX Polymeric SPE Cartridges, 85 µm, 60 Å (SPE-P0015)

    SiliaPrepX WCX is a polystyrene-divinylbenzene copolymer functionalized by a weak cation exchanger used to catch and release strong basic compounds (pKa >10). It is highly stable in organic solvents.

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