Column: MEGA-WAX 20M – 0.25mm, 0.25µm, 50m
Catalog Code: C-WAX20M-025-025-50

Conditions:
Injection: Split 250°C, 350 mL/min Split flow, 0.5 µL volume injected .
Sample: 1:1 mix of Acetal and Ethyl Acetate.
Detector: FID, 250°C.
Oven Temp.: 40°C, 2°C/min, 60°C.
Carrier Gas: Helium, 150 kPa.

Peaks:
1. Ethyl Acetate (cas#: 141-78-6)
2. Acetal (1,1-diethoxyethane) (cas#: 105-57-7)

Column: MEGA-DEX DAC Beta- 0.25mm, 0.25µm, 25m
Catalog Code: DEX-DAC-B-025-025-25

Conditions:
Injection: Split 250°C, 100mL/min Split flow, 0.5 µL injection volume.
Oven Program: 50°C, 2°C/min.
Carrier Gas: Hydrogen, 80 kPa.
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Column: MEGA-DEX DAC Beta – 0.25mm, 0.25µm, 25m
Catalog Code: DEX-DAC-B-025-025-25

Conditions:
Injection: Split 250°C, 100mL/min Split flow, 0.5 µL injection volume.
Oven Program: 50°C, 2°C/min.
Carrier Gas: Hydrogen, 80 kPa.

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Sample:
(S)-(-)-Beta Cotronellol (CAS# 7540-51-4).
(R)-(+)-Beta-Citronellol (CAS# 1117-61-9).
Sample dilution: 2µL/1mL in n-Hexane each.

Column: MEGA-FFAP EXT – 0.32mm, 0.50µm, 30m
Catalog Code: C-FFAPEXT-032-050-30

Conditions:
Injection: Split 250°C, 80mL/min Split flow, 1µL injection volume.
Detector: FID, 250°C.
Oven Program: 100°C, 5°C/min.
Carrier Gas: Hydrogen, 80 kPa.

Column: MEGA-WAX – 0.25mm, 0.25µm, 30m
Catalog Code: S-WAX-025-025-30

Conditions:
Injection: Thermal Desorber (Tenax GR trap 300°C), Split Injector 80°C, 10mL/min.
Detector: FID, 200°C.
Oven Program: 40°C (5min), 5°C/min, 200°C.
Carrier Gas: Helium, 1.5 mL/min, constant flow.

Peaks:
1. Benzene
2. Toluene
3. Ethylbenzene
4. p-Xylene

5. m-Xylene
6. o-Xylene

Column: MEGA-VOC 1 – 0.25mm, 1.40µm, 50m
Catalog Code: C-VOC1-025-140-50
USP G43 stationary phase

Conditions:
njection: Splitless (1min), 300°C.
Detector: FID, 260°C.
Oven Program: 70°C (4min), 20°C/min, 160°C (3min). Carrier Gas: Helium, 1mL/min.
Sampling: 10mL of drinking water + 25% of NaCl.
Extraction: HS-SPME (CAR-PDMS 85 μm fiber, 2 min of Magnetic stirring, 20min of fiber exposition time @ 50°C, 4min desorption time)

Sample:
Natural water added with a standard mix, VCM (0,1 μg/L) Benzene (0,04 μg/L).

Upper chromatogram;

Column: MEGA-VOC 2 – 0.32mm, 5.00µm, 60m
Catalog Code: C-VOC2-032-500-60

Peaks:
1. 1,2-Dichloroethane (31.05 min)
2. Benzene (33.50 min)

 

Lower chromatogram;

Column: MEGA-VOC 1 – 0.32mm, 3.00µm, 60m
Catalog Code: C-VOC1-032-300-60

Peaks:
1. 1,2-Dichloroethane
2. Benzene

Conditions:
Injection: Split, 250°C.
Detector: FID, 250°C.
Oven Program: 150°C, 8°C/min.
Carrier Gas: Hydrogen, 60kPa.

Column: MEGA-WAX Plus – 0.25mm, 0.25µm, 30m
Catalog Code: C-WAXP-025-025-30

Conditions:
Injection: Split, 250°C.
Detector: FID, 250°C.
Oven Program: 150°C, 8°C/min.
Carrier Gas: Hydrogen, 60kPa.

Peaks:
1. Methanol (used as solvent)
2. unknown
3. Dimethyphenol (Internal Standard, 1% in Methanol)
4. Hexamine (1% in Methanol)
5. Phenol

The rest of the sample is aqueous.

Column: MEGA-PS255 – 0.25mm, 3.00µm, 30m
Catalog Code: C-PS255-025-300-30

Conditions:
Injection: Split, 250°C.
Detector: FID, 300°C.
Oven Temp: 100°C, 2.5°C/min, 200°C.
Carrier Gas: Hydrogen, 80kPa.

Peaks:
1. 2-Dimethylamino Ethanol
2. 1,4-Dimethyl Piperazine
3. Diethanolamine
4. Methyldiethanolamine

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Column: MEGA-DEX DET Beta – 0.25mm, 0.25µm, 25m
Catalog Code: DEX-DET-B-025-025-25

Conditions:
Injection: Split, 250°C.
Detector: MS. All our MEGA-DEX chiral columns work perfectly with GC-MS systems.
Oven Temp.: 50°C, 2°C/min.
Carrier Gas: Helium, 1mL/min.

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