Year |
Column |
Remark |
1980 |
5C18* |
Our first column. |
1981 |
5SL* |
Normal phase chemistry with 5 µm particle size. |
1982 |
5C18-P*, 5CN-R* |
Expanded reversed-phase selectivity for polar compounds with C18 and cyano phases. |
1984 |
3C18-P*, 3C18-P*, NH2,5C8*, 5TMS* |
Expanded reversed-phase offerings and introduced our first amino phase. |
1985 |
5PE*, 5C18-300*, 5C8-300*, 5C4-300*, 5GPC-100*, 5GPC-300* |
Introduced several columns for protein and polymer analysis. |
1988 |
5GPC-60* |
GPC for lower-MW polymers. |
1989 |
PYE |
PYE has very high retention and selectivity for pi electrons (double & triple bonds) as well as planar selectivity. It has been used to separate PAHs and other organic pollutants. |
1990 |
5C18-AR*, NPE, 5Diol-120*, 5Diol-300* |
The first versions of our acid-resistant C18 column and size exclusion (SEC) series. |
1991 |
5C18-AR-300 |
For protein analysis with acidic mobile phase, expanding possibilities for protein analysis. |
1992 |
5C8-AR-300, 5C4-AR-300, Ph-AR-300 |
Expanded acid-resistant product line. |
1993 |
5C18-MS, Buckyprep |
Upgraded our standard C18 column, and introduced our famous Buckyprep for fullerene analysis. |
1994 |
PBB |
Preparative column for fullerenes. |
1996 |
5C18-AR-II, NH2-MS, 5CN-MS, 5C8-MS, 5C4-MS, 5TMS-MS, 5PE-MS |
Upgraded many of our columns with improved bonding technology. |
1997 |
SL-II, 5C18-P-MS* |
Improved our silica column with modern techniques for better peak performance. |
2000 |
5C18-MS-II, 3C18-MS-II, 3C18-AR-II, 3SL-II, 5Diol-120-II, 5Diol-300-II |
Modern versions of our C18 and size exclusion series. |
2002 |
5C18-PAQ |
Our 100% aqueous C18 column for hydrophilic compounds. |
2003 |
Buckyprep-M, CSP-HPR*, 5C22-AR-II, HIC |
Added additional selectivity to our Buckyprep series and introduced our hydrophobic interaction column for protein analysis. |
2004 |
Sugar-D |
Introduced our specialty column for saccharide separations. |
2005 |
PBB-R*, Cholester |
Introduced Cholester, a reversed-phase column for stereoisomers, and PBB-R, the predecessor to PBr. |
2006 |
HILIC, Protein-R |
Developed our unique HILIC phase and a C18 column specialized for protein analysis. |
2007 |
πNAP |
Our column for positional isomers and others–like a phenyl column, but stronger. |
2008 |
2.5C18-MS-II, 2.5Cholester |
The first of our 2.5 um series. |
2009 |
CNT |
Specialty column for carbon nanotubes. |
2010 |
2.5πNAP, IEX series |
Introduced our ion exchange series. |
2012 |
3C18-EB, Buckyprep-D |
Released 3C18-EB, with our best endcapping technology to date, and additional selectivity for our Buckyprep series. |
2013 |
5PFP, 5PBr, 2.5HILIC |
Several columns for alternative selectivity, including PBr, which can retain polar and non-polar compounds in reversed-phase mode. |
2014 |
2.6C18, 2.6Cholester |
Introduced our core-shell series with standard C18 and our specialty Cholester phase. |
2015 |
2.6PBr, HP, PY, 5Diol-1000-II |
Added PBr to our core-shell series, and introduced our SFC columns. |
2017 |
Chiral series |
Introduced our chiral series for separation of optically active compounds. |
2019 |
3Cholester, 3PBr |
Further improvement of our particle size lineup for specialty columns. |