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Rxi
Rxi GC columns are highly inert, low bleed columns from Restek. They are made out of fused silica with various modifications.
Technical Data
| Phase | Modification | USP | Tmax |
| Rxi-1ms | 100%-Dimethylpolysiloxane | G1, G2, G38 | 330 °C |
| Rxi-1HT | 100%-Dimethylpolysiloxane | N/A | 400 °C |
| Rxi-5ms | 5%-Phenyl-95%-dimethylpolysiloxane | G27, G36 | 330 °C |
| Rxi-5HT | 5%-Phenyl-95%-dimethylpolysiloxane | N/A | 400 °C |
| Rxi-XLB | proprietary | N/A | 340 °C |
| Rxi-5Sil MS | 5%-Phenyl-95%-dimethylpolysiloxane | N/A | 320 °C |
| Rxi-35Sil MS | 35%-Phenyl-65%-dimethylpolysiloxane | N/A | 340 °C |
| Rxi-17 | 50%-Phenyl-50%-dimethylpolysiloxane | N/A | 280 °C |
| Rxi-17Sil MS | 50%-Phenyl-50%-dimethylpolysiloxane | G3 | 340 °C |
| Rxi-PAH | proprietary | N/A | 360 °C |
| Rxi-624Sil MS | 6%-Cyanopropylphenyl-94%-dimethylpolysiloxane | G43 | 300 °C |
| Rxi-1301-Sil MS | Cyano-phenyl-94%-dimethylpolysiloxane | N/A | 320 °C |
| Rxi-SVOCms | proprietary 5%-phenyl | G27, G36 | 340 °C |
| Rxi-LAO | proprietary | N/A | 300 °C |
Rxi-1ms are non-polar general-purpose columns for a wide range of different applications.
Rxi-1HT are non-polar columns with a 40% longer lifetime due to a special designed fused silica tubing for high molecular weight hydrocarbons.
Rxi-5ms are low polar general-purpose columns for semi volatiles, phenols, amines, residual solvents, drugs of abuse, pesticides, PCB congeners and solvent impurities.
Rxi-5HT are low-polar columns with a 40% longer lifetime due to a special designed fused silica tubing for high temperature applications such as mineral oil.
Rxi-XLB have a proprietary low polar phase for general-purpose applications such as pesticides, PCB congeners and PAHs.
Rxi-5Sil MS are low polar columns for general purpose applications.
Rxi-35Sil MS is a mid-polar phase with a special selectivity for substituted polar compounds such as drugs, pesticides, herbicides, PCBs, phenols, etc.
Rxi-17 are mid-polar columns for general purpose applications like pesticides, herbicides, rosin acids, phthalate esters, triglycerides and sterols.
Rxi-17Sil MS columns have a mid-polar phase for active environmental compounds such as PAHs.
Rxi-PAH have a mid-polar proprietary phase that is ideally suited for EFSA PAH4 analysis.
Rxi-624Sil MS are mid-polar, low-bleed and high-thermal stable columns for volatile organics and residual solvents and is a good choice for USP<467>.
Rxi-1301Sil MS are mid-polar phases with an stabilized cyano phase selectivity for terpenes, glycol ethers, fusel alcohols and other polar compounds.
Rxi-SVOCms is a proprietary phase with 5%-phenyl excellent performance for semivolatiles in complex matrices.
Rxi-LAO have a proprietary mid-polar phase especially designed for linear alpha olefin (LAO) impurity analysis.
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