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12785-U Supelco

Metal Packed GC Column (fits Agilent, Configuration "A")

phase 10% Carbowax 20M, matrix 80/100 Chromosorb W AW support, L × O.D. × I.D. 6.0 ft (1.8 m) × 1/8 in. × 2.1 mm



Related Categories Analytical/Chromatography, Gas Chromatography (GC), Metal Packed GC Columns (fit Agilent, Configuration "A"), Packed GC Columns, Packed GC Columns and Components More...
material   stainless steel column
application(s)   gas chromatography (GC): suitable
L × O.D. × I.D.   6.0 ft (1.8 m) × 1/8 in. × 2.1 mm
matrix   80/100 Chromosorb W AW support
matrix active group   10% Carbowax 20M phase
column type   packed GC


General description

An economical metal column should be used for less demanding applications where the inertness of glass is not required. This column fits Agilent 5880, 5890, 6890, 7820, and 7890 (configuration A, on-column injection, all detectors except TCD).

Packed column made up of stainless steel are basically employed when higher carrier gas flow rates are employed as they can sustain elevated pressure. Stainless steel columns are usually washed with dilute hydrochloric acid, then with water followed by methanol, acetone, methylene dichloride and n-hexane in order to remove any corrosion products and traces of lubricating agents.


Stainless steel gas chromatographic column packed with Carbowax on Chromosorb W AW support maybe used for the determination of alcohols and other volatile compounds in blood by direct blood-injection method.

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