Manifold flow control valve are disposable liner flow control valves that are used as an accessory for 12 port or 24 port Visiprep manifolds.
Solid-phase extraction (SPE) experiments were performed using a Visiprep DL disposable-liner solid-phase extraction vacuum manifold with individual flow control valves from Supelco (Bellefonte, PA, USA) which enabled twelve SPE tubes to be dried at a time. Visiprep™ manifold flow control valve may also be used for solid phase extraction experiments(SPE) in the determination of biogenic amines in wine samples using high-performance liquid chromatography coupled with fluorescence detector (HPLC).
Visiprep is a trademark of Sigma-Aldrich Co. LLC
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Determination of biogenic amines in wines by high-performance liquid chromatography with on-column fluorescence derivatization.
Busto O, et al.
Journal of Chromatography A, 757(1-2), 311-318 (1997)
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