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GC capillary column ROTI®Cap-35 MS, 60 m, 0.25 mm

medium polar,
developed and manufactured in Germany
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Column length
Ø Internal


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Product details

CHF1,300.60/Pack Qty. 

excl. VAT. | 1 unit(s) per Pack Qty.

Art. No. 4801.1

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Product details


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Silarylene Phase

  • Medium polar
  • Selectivity analogue to
    35 % phenyl - 65 % methylpolysiloxane
  • Very low column bleeding
  • Working temperature limits:
    360 °C for isothermal runs
    370 °C for short isothermal runs in a temperature programme
  • Application areas: Reference column in combination with a 1 MS or
    5 MS (e.g. 1 MS or 5 MS) column; all-round phase for environmental analysis, ultra-trace analysis, EPA methods, pesticides, PCBs, food and drug analysis
Similar phases:
  • DB-35 MS, HP-35, SPB®-35, Rtx®-35, 007-35, BPX35, MDN-35, AT™-35 MS, ZB-35, OV-11, VF-35 MS
  • Equivalent to USP phase G42, close equivalent to USP phases G28/G32



GC capillary column ROTI®Cap-35 MS medium polar,
developed and manufactured in Germany

Technical Information
Column length 60 m
Ø Internal 0,25 mm
Polarity medium polar 
GC capillary column ROTI®Cap-35 MS
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Order No. Column length Ø Internal Pack Qty. Price Quantity
4794.1 30 m 0,25 mm 1 unit(s) CHF754.60
4802.1 60 m 0,32 mm 1 unit(s) CHF1,440.60
4801.1 60 m 0,25 mm 1 unit(s) CHF1,300.60
4800.1 30 m 0,32 mm 1 unit(s) CHF796.60
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General information

Further attractive products to complete your chromatography laboratory can be found on our Chromatography page!


ROTI®CAP High Performance Capillary Columns

The proved Carl ROTH series of high performance capillary columns for gas chromatography.



ROTI®Cap capillary columns set standards:

Low column bleed
Modern manufacturing processes offer capillaries with lower bleed levels, which are especially suitable for GC-MS. Less column bleed yields increased sensitivity and accuracy through a better signal to noise ratio for any kind of detector. Further reduced column bleed improves detectability of solutes in qualitative and quantitative GC-MS analyses.

High thermal stability

Due to high temperature stability ROTI®Cap capillary columns can be operated at about 40 °C higher temperatures compared to standard phases. Thanks to these elevated working temperatures, high-boiling components, which exhibit very long retention times and wide peaks on standard phases, elute earlier and with a more well-formed peak.

High inert columns due to optimised deactivation
Polar compounds are frequently difficult to analyse because they often give broad tailing peaks. Advances in deactivation technology for the ROTI®Cap capillaries result in an excellent chromatographic performance yielding improved peak shapes of polar compounds combined with improved efficiency and sensitivity.

In order to guarantee best industry standard capillaries with highest reproducibility from column to column ROTI®Cap capillary columns have to meet high specifications.
Within the quality control the following parameters are determined:

  • Separation Efficiency by measuring the separation number (acc. to Kaiser) in a temperature programme phases)
  • Polarity by measuring retention indices
  • Bleeding in a temperature programme with a test mixture including high-boiling hydrocarbons
  • Inertness by measuring the peak height ratio for decylamine/C12 (for non-polar to medium polar phases)


Certificates of Analysis

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