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DB-ALC1 / DB-ALC2

A matched pair of Agilent fused-silica GC columns used for dual-column orthogonal confirmation of blood ethanol. DB-ALC1 uses a polyethylene glycol stationary phase; DB-ALC2 uses a nitroterephthalic acid-modified PEG phase, providing different selectivity for volatile alcohols.

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Related terms

2100:1 partition ratioBeta elimination rate (beta)Blood alcohol concentration (BAC)Internal standard (IS)NIST SRM 1828Partition coefficient (K)Sodium fluoride / potassium oxalate (grey-top tube)Static headspaceWidmark factor (rho / r)

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