Skip to Main Content
Table 2

Instrumental configuration and analysis conditions

Chromatographic system 
 Gas chromatograph Agilent Model 6890N 
 Inlet Split/splitless 
 Detector Agilent 5973 MSD 
 Column 30 m × 0.25 mm × 0.25 μm 
 Fibre Carboxen/polydimethylsiloxane (carboxen/PDMS 75 μm, SUPELCO 
Experimental conditions 
 Inlet temperature 310 °C 
 Injection volume 1 μL 
 Injection mode splitless 
 Purge time 0.75 min 
 Purge flow 60 mL/min 
 Carrier gas He 
 Flow velocity 1 mL/min 
 Oven temperature 40 °C, 4 min initial, 16 °C/2 min to 120 °C 
 Detector temperature 270° 
 Desorption time 5 min 
 Micro-extraction time 8 min 
The m/z fragment 
 Chloroform (CHC1383 as 100%, 85 as 75% and 87 as 20% 
 Bromoform (CHBr3173 as 100%, 171 as 50% and 173 as 49%. 
 Bromodichloromethane (CHBrCl283 as 100%, 85 as 75% and 47 as 25%; 
 Dibromochloromethane (CHBr2Cl) 129 as 100%, 127 as 80% and 131 as 25% 
 The % recovery Retention time Calibration curve/concentration range 
Chloroform (CHC1399.45% 2.17 min 2–100 μg/L 
Bromoform (CHBr399.81% 7.02 min 40–200 μg/L 
Bromodichloromethane (CHBrCl299.68% 5.26 min 40–200 μg/L 
Dibromochloromethane (CHBr2Cl) 99.24% 3.43 min 20–100 μg/L 
Chromatographic system 
 Gas chromatograph Agilent Model 6890N 
 Inlet Split/splitless 
 Detector Agilent 5973 MSD 
 Column 30 m × 0.25 mm × 0.25 μm 
 Fibre Carboxen/polydimethylsiloxane (carboxen/PDMS 75 μm, SUPELCO 
Experimental conditions 
 Inlet temperature 310 °C 
 Injection volume 1 μL 
 Injection mode splitless 
 Purge time 0.75 min 
 Purge flow 60 mL/min 
 Carrier gas He 
 Flow velocity 1 mL/min 
 Oven temperature 40 °C, 4 min initial, 16 °C/2 min to 120 °C 
 Detector temperature 270° 
 Desorption time 5 min 
 Micro-extraction time 8 min 
The m/z fragment 
 Chloroform (CHC1383 as 100%, 85 as 75% and 87 as 20% 
 Bromoform (CHBr3173 as 100%, 171 as 50% and 173 as 49%. 
 Bromodichloromethane (CHBrCl283 as 100%, 85 as 75% and 47 as 25%; 
 Dibromochloromethane (CHBr2Cl) 129 as 100%, 127 as 80% and 131 as 25% 
 The % recovery Retention time Calibration curve/concentration range 
Chloroform (CHC1399.45% 2.17 min 2–100 μg/L 
Bromoform (CHBr399.81% 7.02 min 40–200 μg/L 
Bromodichloromethane (CHBrCl299.68% 5.26 min 40–200 μg/L 
Dibromochloromethane (CHBr2Cl) 99.24% 3.43 min 20–100 μg/L 
Close Modal

or Create an Account

Close Modal
Close Modal