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Selection of Organic SEC (GPC) Columns

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Shodex organic SEC (GPC) columns have a history of more than thirty years and have been used by numerous customers all over the world. The current series is of an improved type based on the long term experience and the latest technology. The following columns are available as the standard column.

1) In-column solvents

THF KF-800 series, KF-600 series, KF-400HQ series, HK-400 series, LF series
Chloroform K-800 series
DMF KD-800 series
HFIP HFIP-800 series, HFIP-600 series, HK-HFIP404L
Toluene UT-800 series, HT-800 series, AT-806MS


2) Types

Mixed gel columns Mixed gel columns are packed with mixture of gels with different in pore size capable of analyzing samples over a wide range of molecular weight distribution.
The mixed gel columns have "M" at the end of the column name.
Linear type columns (1) Linear type columns are also packed with mixture of gels capable of analyzing samples over a wider range of molecular weight distribution than the mixed gel columns.
The linear type columns have "L" at the end of the column name.
Linear type columns (2)
LF series
LF series employs a special packing material with a wide pore size distribution (multi pore type). LF series provides highly linear calibration curve.
High performance analysis columns These columns obtain higher resolution (about 1.5 times better separation performance than standard columns) and provide higher sensitivity analysis (about 4 times better sensitivity than that of standard columns). Furthermore, The amount solvent used can be reduced to about a third.
Rapid analysis columns These columns provide rapid analysis (approximately halved analysis time compared with standard columns). Furthermore, The amount solvent used can be reduced to about a third.
Ultra-rapid analysis columns Monodisperse small particles can obtain low pressure at high flow rate. Therefore the analysis time can be reduced to about one sixth of standard column's analysis time without UHPLC devices. Furthermore, The amount solvent used can be reduced to about a sixth.
High temperature columns The high temperature columns can be used for the GPC analysis at elevated temperature up to 230 °C.
Solvent-peak separation columns Solvent-peak separation columns delay the elution of low-molecular components and can be used to separate a solvent peak or other troublesome peak to realize accurate measurement of molecular weight distribution. The use of these columns combined with 805L, 806L, 806M or 807L columns is recommended.

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