技术
gas chromatography (GC): suitable
试验参数
sample/matrix: each analyte at 50 ppb in 5 mL water
purge trap: VOCARB 3000 “K”
purge: 40 mL/min at 25 °C for 11 min
dry purge: 2 min
desorption preheat: 205 °C
desorption process: 150 mL/min at 210 °C for 2 min
bake: 260 °C for 10 min
transfer line/valve temp.: 110 °C
column: VOCOL, 20 m × 0.18 mm I.D., 1.0 μm (28463-U)
oven: 40 °C (0.8 min), 19 °C/min to 125 °C, 32 °C/min to 220 °C (1 min)
inj. temp.: 150 °C
MSD interface: 200 °C
scan range: m/z = 35-400
carrier gas: helium, 1.4 mL/min
injection: 100:1 split
liner: 0.75 mm I.D. SPME
应用
environmental
法律信息
VOCOL is a registered trademark of Merck KGaA, Darmstadt, Germany
分析物
说明
Dichlorofluoromethane
Chloromethane
Vinyl chloride
Bromomethane
Chloroethane
Trichlorofluoromethane
1,1,2-Trichloro-1,2,2-trifluoroethane
1,1-Dichloroethylene
Acetone
Carbon disulfide
Methyl acetate
Dichloromethane
tert-Butyl methyl ether
trans-1,2-Dichloroethylene
1,1-Dichloroethane
2-Butanone
cis-1,2-Dichloroethylene
Bromochloromethane
Chloroform
1,1,1-Trichloroethane
Cyclohexane
Carbon tetrachloride
1,2-Dichloroethane-d4
Benzene
1,2-Dichloroethane
1,4-Difluorobenzene
Trichloroethylene
Methylcyclohexane
1,2-Dichloropropane
Bromodichloromethane
cis-1,3-Dichloropropene
4-Methyl-2-pentanone
Toluene-d8
Toluene
trans-1,3-Dichloropropene
1,1,2-Trichloroethane
Tetrachloroethylene
2-Hexanone
Dibromochloromethane
1,2-Dibromoethane
Chlorobenzene-d5
Chlorobenzene
Ethylbenzene
m-Xylene, analytical standard
o-Xylene
Styrene
Bromoform
Cumene
4-Bromofluorobenzene
1,1,2,2-Tetrachloroethane
1,3-Dichlorobenzene
1,4-Dichlorobenzene
1,2-Dichlorobenzene
1,2-Dibromo-3-chloropropane
1,2,4-Trichlorobenzene
p-Xylene, analytical standard
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