Columns for Miura GO-xEHT Systems

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Dioxins & PCBs Purification Columns for Miura GO-xEHT Systems

The Miura GO-xEHT (GO-xHT) is a fully automatic sample preparation system for the analysis of Dioxins (DXNs) and Polychlorinated Biphenyls (PCBs), compounds considered Persistent Organic Pollutants (POPs). Find more details on this comprehensive Clean-up system here.

Features:

♦ High performance clean-up
  4 columns
  Heated purification and elution
  → better purification
  → faster elution

 ♦ User-friendly design
  Easy to apply sample
  Easy connections
  Disposable parts
  → no washing
  → no cross-contamination
♦ Unique flow switching

♦ Perfect separation of PCBs and Dixons in one freaction each


 Depending on the sample matrix and the analytes of interest, different column sets are available:

Composition of the Column Sets

Miura

(Standard Setup)

Sample Injection
1 Delute sample in hexane and apply onto column
Purification
2 AgNO3 - Silica gel column - removal of sulphur compounds
3 H2SO4 - Silica gel column - hydrolysis of fats and removal of basic compounds
Concentration
4 Carbon based column - retention of dioxins by structural interaction
5 Alumina based column (only needed for PCBs analysis) - retention of PCBs by polar interaction
Elution
6 Dioxin Fraction
7 PCB Fraction

 All columns and tubings needed are included in each set 

How it Works

  • Dissolve the extracted sample in hexane and apply it to the column
    The system performs automatically the following steps
    - Clean-up
    - Concentration
    - Elution of PCBs fraction
    - Elution of Dioxins fraction
  • Pick up the collected fractions

Column Sets and Recommended Applications

Sample Type Environmental Samples
  Food / Feed Samples
P/N 980-23882 980-22481 980-23881
Type size [mm] DXNmini 18 Ø Standard 20 Ø Mini 18 Ø
Sample Environmental
- EPA -		 Food 3 g fat
Environmental		 Food 1 g fat
Environmental
Purification (1) AgNO3-Silica gel AgNO3-Silica gel AgNO3-Silica gel
Purification (2) H2SO4-Silica gel H2SO4-Silica gel H2SO4-Silica gel
Concentration (3) Carbon Carbon Carbon
Concentration (4) - Alumina Alumina
Solvent consumption
(Hexane)		 85 ml 90 ml 85 ml
DXN fraction (5)
(Toluene)		 1.2 ml 1.2 ml 1.2 ml
PCB fraction (6)
(Toluene)		 - 1.0 ml 1.0 ml
Run time 73 min 80 min 78 min

Each column set includes enough columns and tubings to perform 100 analysis. 

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