OPTIMA® high performance capillary columns

OPTIMA® high performance capillary columns

MACHEREY-NAGEL GmbH & Co. KG

As a result of our efforts in research and development and the continuous improvements in our manufacturing techniques we present OPTIMA® – a series of high performance capillary columns for gas chrom...read more

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Description

 

As a result of our efforts in research and development and the continuous improvements in our manufacturing techniques we present OPTIMA® – a series of high performance capillary columns for gas chromatography.

OPTIMA® capillary columns provide:

High thermal stability
High-boiling solutes (with very low vapour pressures) "normally" have very long retention times and rather broad peak shapes. OPTIMA® columns with their increased operation temperatures elute high-boiling compounds faster and with better peak shapes.

Maximum operating temperatures for OPTIMA® phases
The first temperature is valid for isothermal operation, the second for short isotherms in a temperature programme.

Phase max. operating temperatures
 
OPTIMA®1           340/360 °C
OPTIMA® 5          340/360 °C
OPTIMA® δ-3       340/360 °C
OPTIMA® δ-6       340/360 °C
OPTIMA® 17        320/340 °C
OPTIMA® 1301     300/320 °C
OPTIMA® 1701     300/320 °C
OPTIMA® 624       280/300 °C
OPTIMA® 210      260/280 °C
OPTIMA® 225      260/280 °C
OPTIMA® 240      260/280 °C
OPTIMA® WAX    250/260 °C
OPTIMA® FFAP   250/260 °C

Reduced column bleed
Less column bleed yields increased sensitivity and accuracy through a better signal to noise ratio for any kind of detector. Reduced column bleed improves detectability of solutes in qualitative and quantitative GC-MS analyses.

More 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 OPTIMA® capillaries result in an excellent chromatographic performance yielding improved peak shapes of polar compounds combined with improved efficiency and sensitivity.

For controlling quality MACHEREY-NAGEL determines the following parameters:
- efficiency by measuring the separation number in a temperature programme.
- 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/ C-12 (for non- to medium polar phases)

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