Multichrom

Multicapillary column applications.

   Multichrom, Ltd

Applications of multicapillary columns in portable gas chromatographs


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Explosives detection

Explosives detection

Vapors of nitroaromatic compounds
 
 Chromatograph
Detector

Injection
Column:
Length 
 Capillaries
SLP
 Temperature
Carrier gas

 

GCS-02F with
ECD
Preconcentrator
Straight MCC
220 mm
ID= 40 μm, 103 
OV-5, 0.2 μm
150oC
argon, 60 ml/min


Peaks:
1 – NG;
2 – 2,6-DNT;
3 – 2,4-DNT;
4 – 2,4,6-TNT;
5-PETN;
6-RDX.



Industrial hygiene analysis

Industrial hygiene analysis

Vapor mixture of organic solvents in air
 
Chromatograph
Detector
Injection
Column
Length
 Capillaries
SLP
  Temperature
Carrier gas
 

Ekho-EW
PID
Syringe, 0.5 ml
Straight MCC
220 mm
ID=40 μm, 103
OV-1, 0.6 μm
50oC                    
argon, 60 ml/min


Peaks:
1 – hexane;
2 – benzene;
3 – heptane;
4 – toluene;
5 – octane;
6 – ethyl benzene;
7 – m,p- xylenes;
8 – o-xylene;
9 – nonane.



Monitoring residual monomers

Monitoring residual monomers

Head space vapor analysis (fast-preparing noodle in its styrene plastic box).
 
Chromatograph
Detector
Injection
Column
Length
 Capillaries
LSP
 Temperature
Carrier gas
  EKHO-EW
PID
Syringe, 0.5 ml
Straigh
220 mm
ID=40 μm, 103
OV-1, 0.6 μm
500C
Ar, 60 ml/min
 
Peaks:
1 - toluene;
2 – m,p-xylenes;
3 – styrene.




Narcotics identification

Narcotics identification

Extract of heroine sample
 
Chromatograph
Detector
Injection
Column:
Length
 Capillaries
SLP
 Temperature
Carrier gas
  GCS-02F
PID
Syringe, 0.5 ul
Straight MCC
220 mm
ID=40 μm, 103
OV-1, 0.1 μm
1950C
air, 60 ml/min
Peaks:
1 – acetyl codeine;
2 – diacetyl morphine.
 


Monitoring tap water.
Head space vapor analysis

Vapor phase of tap water

Vapor phase of tap water

 
Chromatograph
Detector
Injection
Column:
Length
 Capillaries
SLP
 Temperature
Carrier gas
  EKHO-EW
ECD
Syringe, 0.2 ml
Straight MCC
220 mm
ID=40 μm, 103 
OV-1, 0.6 μm
50oC
argon, 60 ml/min

Peaks:
1– air;
2- chloroform;
3- carbon tetrachloride;
4-trichlorethylene+dichlorobromomethane;
5-dibromochloromethane



Waste monitoring

Waste monitoring

Aromatic hydrocarbons
 
Chromatograph
Detector
Injection
Column:
Length
 Capillaries
SLP
 Temperature
Carrier gas
  EKHO-EW
PID
Syringe, 0.5 ul
Straight MCC
220 mm
ID=40 μm, 103
OV-1301, 0.2μm
55oC
argon, 60 ml/min
Peaks:
1 – bromobenzene;
2 - 3-chlorotoluene;
3 – dichlorobenzene;
4 – nitrobenzene;
5 - 1,2,4-trichlorobenzene;
6 - 2-hydroxytoluene;
7- 1,2,3-trichlorobenzene;
8- 2-methylnaphthalene;
9- 1-methylnaphthalene



Air monitoring

Air monitoring

Odorant vapor in air
 
Chromatograph
Detector
Injection
Column:
Length
 Capillaries
SLP
 Temperature
Carrier gas
 

EKHO-EW
PID
Syringe, 0.2 ml
Straight MCC
3x200 mm
ID=40 μm,
103 
OV-1, 0.6 μm
25oC
Ar, 60 ml/min


Peaks:
1 – ethyl mercaptan;
2 – propylmercaptan;
3 – 2-methyl-2- propylmercaptan;
4 – 1- propylmercaptane;
5 – butyl mercaptan



Food, water and soil control

Chlorinated pesticides

Chlorinated pesticides
 
Chromatograph
Detector
Injection
Column:
Length
 Capillaries
SLP
 Temperature
Carrier gas
  EKHO-EW
ECD
Syringe, 0.5 ul
Straight MCC
220 mm
ID=40 μm, 103
 OV-1, 0.2 μm
180oC
Ar, 60 ml/min
Peaks:
1 – hexachlorocyclohexanes;
2 – DDE;
3 – DDD;
4 – DDT.

  © Multichrom Ltd, 2009

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