ResourceSeparations

A Versatile GHB Method for Headspace or Liquid Injection

27 Jun 2012

System contamination is a significant issue for labs analyzing gamma-hydroxybutyrate (GHB) as typical methods include derivatization and liquid injection. Here, an acid conversion solvent extraction method is evaluated for compatibility with both headspace and liquid injection techniques. This extraction method can improve lab efficiency and reduce contamination by eliminating the use of derivatization reagents.

Rtx®-BAC Plus 1 Columns (fused silica)

Restek Corp.

Optimized column selectivities guarantee resolution of ethanol, internal standards, and frequently encountered interferences. Robust and reproducible column chemistry ensures longer column lifetime and consistent results. 2 minute analysis time increases lab productivity. Stable to 260 °C Don’t forget: Blood alcohol analysis requires dual column confirmation when using GC/FID.

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Rxi®-5Sil MS (Fused Silica) Columns

Restek Corp.

Rxi® fused silica capillary GC columns were designed specifically to be the best columns available, for exceptional inertness, ultra-low bleed, and reproducible retention and selectivity.

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