Columns

pH range 1-14. Extacting postive charged ions. Extraction and recovery of primary, secondary and some tertiary amines as well as most metal cations from aqueous solutions. Not for quarternary amines.

pH range 1-14. Polymer-based Strong Anion exchange for extacting negative charged ions. EPA Methods 548.1, 552.1, Carboxylic acid metabolites, Removal of humic and fulvic acid interferences from water samples, etc.

pH range 1-14. Polymer-based Strong Anion exchange for extacting negative charged ions. EPA Methods 548.1, 552.1, Carboxylic acid metabolites, Removal of humic and fulvic acid interferences from water samples, etc.

One-Piece (C18 bonded silica, bead and depth filter) design eliminates additional prefilter and filter aids. Provide up to 90% solvent reduction, excellent processing speed (fast flow rates), and contamination-free extractions with accurate and

One-Piece (C18 bonded silica, bead and depth filter) design eliminates additional prefilter and filter aids. Provide up to 90% solvent reduction, excellent processing speed (fast flow rates), and contamination-free extractions with accurate and

pH range 1-14. For extraction of Divalent metals and other divalent cations. Relative selectivity: Pb&gtCu&gtCd&gtCo&gtFe&gtCa&gtSr. Capacity is relatively high, dependent on pH and other ions.

pH range 1-14. For extraction of Divalent metals and other divalent cations. Relative selectivity: Pb&gtCu&gtCd&gtCo&gtFe&gtCa&gtSr. Capacity is relatively high, dependent on pH and other ions.

The carbon surface includes positive and negative charges. Extraction of highly polar compounds, such as N-nitrosodimethylamine,oxamyl and methamidophos, and volatile compounds such as trihalomethanes.

The carbon surface includes positive and negative charges. Extraction of highly polar compounds, such as N-nitrosodimethylamine,oxamyl and methamidophos, and volatile compounds such as trihalomethanes.

Plain, open top, chromatographic column, universally suitable for many separations.

Chromatographic column with 2mm bore 1:5 taper solid PTFE stopcock plug at bottom.

Chromatographic column with 2mm bore, 1:5 taper solid PTFE stopcock plug and porosity B (70 - 100 m) fritted disc sealed in.