技术
gas chromatography (GC): suitable
试验参数
sample/matrix: 50 ppb each component in 5mL of water
purge trap: VOCARB 3000
purge: 40 mL/min for 11 min at ambient temperature
desorption temp.: 210 °C for 2 min
bake: 260 °C for 10 min
transfer line/valve temp.: 110 °C
column: SPB-624, 60 m x 0.32 mm ID, 1.8 μm (24251)
oven: 35 °C (8 min), 5 °C/min to 100 °C, 15 °C/min to 220 °C (5 min)
inj. temp.: 230 °C
scan range: m/z 41-400
carrier gas: helium, 1.2 mL/min constant
injection: split ~18:1
instrument: OI 4560
应用
environmental
法律信息
SPB is a registered trademark of Merck KGaA, Darmstadt, Germany
分析物
说明
Dichlorodifluoromethane
Chloromethane
Vinyl chloride
Bromomethane
Chloroethane
Trichlorofluoromethane
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