Restek / Rt

Rt

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Restek ™ Rt® GC columns are fused silica columns for gas chromatography. These include columns for enantiomer separation and for other special applications.

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Technical Data

Column-Name

Phase

Polarity

USP

I.D.

Film Thickness

Tmax

Rt®-2560

Bis-cyanopropylpolysiloxane (100%)

Highly Polar

N/A

0.25 mm

0.20 µm

250 °C

Rt®-TCEP

1,2,3-Tris[2-cyanoethoxy]propane

Highly Polar

N/A

0.25 mm

0.40 µm

150 °C

Rt®-βDEXm

Permethylated β-cyclodextrin added into 14% Cyanopropylphenyl/86% dimethyl polysiloxane

N/A

N/A

0.25 mm


0.32 mm

0.25 µm

N/A

Rt®-βDEXsm

2,3-Di-O-methyl-6-O-tert-butyl dimethylsilyl β-cyclodextrin added into 14% Cyanopropylphenyl/86% dimethyl polysiloxane

N/A

N/A

0.25 mm


0.32 mm

0.25 µm

N/A

Rt®-βDEXse

2,3-Di-O-ethyl-6-O-tert-butyl dimethylsilyl β-cyclodextrin added into 14% Cyanopropylphenyl/86% dimethyl polysiloxane

N/A

N/A

0.25 mm


0.32 mm

0.25 µm

N/A

Rt®-βDEXsp

2,3-Di-O-propyl-6-O-tert-butyl dimethylsilyl β-cyclodextrin added into 14% Cyanopropylphenyl/86% dimethyl polysiloxane

N/A

N/A

0.25 mm


0.32 mm

0.25 µm

N/A

Rt®-βDEXsa

2,3-Di-acetoxy-6-O-tert-butyl dimethylsilyl β-cyclodextrin added into 14% Cyanopropylphenyl/86% dimethyl polysiloxane

N/A

N/A

0.25 mm


0.32 mm

0.25 µm

N/A

Rt®-βDEXcst

Proprietary cyclodextrin material added into 14% Cyanopropylphenyl/86% dimethyl polysiloxane

N/A

N/A

0.25 mm


0.32 mm

0.25 µm

N/A

Rt®-γDEXsa

2,3-Di-acetoxy-6-O-tert-butyl dimethylsilyl γ-cyclodextrin added into 14% Cyanopropylphenyl/86% dimethyl polysiloxane

N/A

N/A

0.25 mm


0.32 mm

0.25 µm

N/A

Rt®-βDEXm:

  • General-purpose chiral phase with many published applications
     

Rt®-βDEXsm:

  • Excellent column for most chiral compounds in essential oils
     

Rt®-βDEXse:

  • Similar in performance to Rt®-βDEXsm but provides better resolution for limonene, linalool, linalyl acetate, ethyl-2-methylbutyrate, 2,3-butane diol, and styrene oxides
     

Rt®-βDEXsp:

  • Often useful in dual-column configurations, with the Rt®-βDEXsm column, for complex enantiomeric separations
     

Rt®-βDEXsa:

  • Unique selectivity for esters, lactones, and other fruit flavor components
     

Rt®-βDEXcst:

  • Proprietary stationary phase, developed specifically for the fragrance industry
  • Also used for pharmaceutical applications
     

Rt®-γDEXsa:

  • Suitable for larger organic molecules
  • Also useful for flavor compounds in fruit juices
     

Rt®-2560:

  • Stationary phase selectivity optimized for isomer separation to ensure accurate quantification of critical cis/trans FAMEs (Fatty Acid Methyl Esters)
  • Application-specific QC test guarantees consistent, reliable performance for AOAC 996.06 and AOCS Ce 1j-07 methods
  • Excellent sample capacity; no peak distortion means easy, accurate peak integration
     

Rt®-TCEP:

  • General-purpose columns, ideal for aromatics and oxygenates in gasoline
  • High polarity provides a retention index for benzene over 1000
  • Separates alcohols & aromatic compounds from aliphatic components in gasoline
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