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Melamine & Analogues (Cyanuric Acid)

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Matrix

Powdered infant milk

Analytes

Cyanuric Acid

SPE Cartridge

SiliaPrepX SAX
60 mg / 3 mL
SPE-P0010-03BB

Sample Pretreatment before Loading

Add 20 mL of Water to 1 g of powdered infant milk, vortex.
Take 1 mL and add 2 mL of Sodium Hydroxide (0.1 N).

Conditionning

3 mL of Methanol

Equilibration

3 mL of Water

Loading

Pretreated sample

Washing

3 mL of Water
3 mL of Methanol

Elution

3 mL of 5 % Acetic Acid in Methanol

Further Treatment

Evaporation under Nitrogen, reconstitution with Methanol / Acetonitrile (50:50) and quantification by LC/MS.

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