Opsamlingsanordning: standardrør med silicagel (150 mg/75 mg)Prøvetagningspumpe: person, type GAnbefalet volumenstrøm: 0,1-0,2 l/min Anbefalet volumen: 20 l
4HE฀SAMPLE฀IS฀COLLECTED฀BY฀PASSING฀A฀QUANTITY฀OF฀AIR฀THROUGH฀A฀TUBE฀lLLED WITH MG OF ACTIVATED CHARCOAL฀USING฀A฀PERSONAL฀SAMPLING฀PUMP฀AT฀A฀mOW RATE OF L MIN TO L MIN 4HE HEPTANONE IS DESORBED WITH฀ ฀ ML ฀ OF฀ CARBON฀DISULPHIDE฀ CONTAINING฀ ฀ ฀ ฀ METHANOL฀AND฀THE฀RESULTING฀SOLUTION฀IS฀ANALYSED฀IN฀A฀GAS฀CHROMATOGRAPH฀EQUIPPED฀WITH฀A฀mAME IONISATION DETECTOR