Reference Standards: Test Mixes

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Grob Test Mix (Capillary GC) (12 components)

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For use with temperature-programmed conditions.

Dimethyldichlorosilane (DMDCS) Deactivating Agent

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  • Easy deactivation of liners and other glass surfaces.
  • Convenient—25 mL bottle deactivates 60 inlet liners.
  • Tested to ensure consistent quality and effectiveness.

Amine Column Test Mix (GC) (8 components)

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For Stabilwax-DB, Rtx-5 Amine, Rtx-35 Amine, and Rtx-Volatile Amine columns.

Acylation Derivatization Reagents

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  • Most commonly used for electron capture detection.
  • React with alcohols, amines, and phenols.
  • Frequently used for drugs of abuse confirmation.

Alkylation Derivatization Reagents

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  • Add alkyl groups to functional hydrogens (H).
  • Decrease polarity on compounds containing acidic hydrogens, i.e., phenols, carboxylic acids.
  • Form an ester.

Silylation Derivatization Reagents

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  • Replace active hydrogen, reducing polarity and making the compounds more volatile.
  • Increase stability of derivatives.

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