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Applications of multicapillary columns in laboratory gas chromatographs
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Control of drugs and narcotic substances
Opium extract |
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Chromatograph
Detector
Injection
Column
Length
Capillaries
LSP
Temperature
Carrier gas |
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Kristall 2000M
FID
Splitting 1:1
Coiled MCC
1 m
40 μm, 103
OV-1, 0.2 μm
2000C
Ar, 89 ml/min |
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Peaks:
1 – methylstearate (standard);
2 – codeine;
3 – morphine;
4 – tebaine;
5 – papaverine;
6 – narcotine
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Control of drinking water quality.
Analysis of head space vapors
Volatile halogenated hydrocarbons in water
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Chromatograph
Detector
Injection
Column
Length
Capillaries
LSP
Temperature
Carrier gas |
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Tsvet-500M,
upgraded
ECD
0.5 ml; splitting 1:1
Coiled MCC
1 m
40 μm, 103
OV-1301, 0.4 μm
400C
Ar, 65 ml/min |
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Peaks:
1 - 1,2-dichloroethane;
2 – chloroform;
3 - carbon tetrachloride;
4 - trichloroethylene;
5 – dichlorobromomethane;
6 - tetrachloroethylene;
7 - dibromochloromethane;
8 – bromoform.
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Control of pesticide contaminations
Chloroorganic pesticides.
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Chromatograph
Detector
Injection
Column
Length
Capillaries
LSP
Temperature
Carrier gas |
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TSVET-500M,
upgraded
ECD
Splitting 1:1
Coiled MCC
1 m
40 μm, 103
OV-1, 0.2 μm
1700C (100 c)
250C/min up to 2700C
argon, 60 ml/min |
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Peaks:
1 - alpha-hexachlorocyclohexane;
2 - beta- hexachlorocyclohexane;
3 – hexachlorobenzene;
4 – gamma- hexachlorocyclohexane;
5 – DDE;
6 – DDD;
7 – DDT.
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Diesel oil
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Chromatograph
Detector
Injection
Column
Length
Capillaries
LSP
Temperature
Carrier gas |
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TSVET-500M,
upgraded
FID
Splitting 1:1
Coiled MCC
1 m
40 μm, 103
OV-5, 0.05 μm
600C (60 s), 20 0C/min up to 2100C
Ar, 40 ml/min |
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Peaks:
normal hydrocarbons
C10- C26
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Fuel contamination of water
Water extract (hexane) with adding normal hydrocarbons: C10, C20, C30, C40.
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Chromatograph
Detector
Injection
Column
Length
Capillaries
LSP
Temperature
Carrier gas |
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TSVET-500M,
upgraded
FID
Splitting 1:1
Coiled MCC
1 m
40 μm, 103
OV-1, 0.2 μm
500C (30 s), 20 0C/min up to 3000C
argon, 45 ml/min |
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Analysis of biological liquids.
Analysis of head space vapors
Alcohols
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Chromatograph
Detector
Injection
Column
Length
Capillaries
LSP
Temperature
Carrier gas |
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TSVET-500M,
upgraded
FID
0.5 ml, splitting 1:1
Coiled MCC
1 m
40 μm, 103
OV-1301, 0.4 μm
400C
Ar, 35 ml/min |
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Peaks:
1 - ethanol;
2 - acetone;
3 – isopropanol;
4 – propanol;
5 – 2-butanol;
6 – isobutanol;
7 – 1-butanol.
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Mud logging
Test mixture of hydrocarbons
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Chromatograph
Detector
Injection
Column
Length
Capillaries
LSP
Temperature
Carrier gas |
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TSVET-500M,
upgraded
FID
0.5 ml, without splitting
Coiled MCC
1 m
40 μm, 103
OV-1, 0.2 μm
900C
Ar, 40 ml/min
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Peaks:
1 – pentane;
2 – hexane;
3 – benzene;
4 – heptane;
5 – toluene;
6 – octane;
7 – n,m-xylenes;
8 – o-xylene;
9 – nonane;
10 – decane.
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