302990 Determination of Haloacetic Acids in Aqueous Environments by Solid-Phase Extraction

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Determination of Haloacetic Acids in Aqueous Environments by Solid-Phase Extraction

Summary

Type: SPE
Application #: 302990
Catalog#: 730108 - SPE Cartridges, Chromabond, HR-P, 3ml, PP, 200mg 30/pk
Detection: LC / MS
Conditions: Compounds investigated: haloacetic acids
Column conditioning: The sorbents were activated and conditioned with 5 ml methanol, then with 3 ml water (acidified to pH 2,5 with sulphuric acid) at a flow rate of 1 ml/min.
Sample application: The water sample (usually 50 ml) pass through the cartridges at a flow-rate of 5 ml/min. The cartridges are not allowed to dry.
Column washing: with 1 ml water (pH 2,5)
Elution: with 4 ml of a solvent mix of 0,5 ml water + 3,5 ml methanol-acetone (1:1,v/v)
Evaporation: under a gentle stream of nitrogen until only the water is left.
Authors: Loos R Barcelo D
Source: Journal of Chromatography A 938 (2001) 45-55


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