A Tedlar Bag (1L) was filled with nitrogen gas and put in an oven at 60 °C. 1 hour later, the gas in the bag was withdrawn into a gastight micro syringe and injected directly to a GC/MS. The bag was not flushed / cleaned in advance.
After being filled with nitrogen gas, a Tedlar bag was closed and put in an oven at 60 °C. 1 hour later, 1L gas in the bag was vacuumed with a pump through a DNPH cartridge and eluted sample was analyzed by HPLC. These bag was not flushed / cleaned in advance.
Vaporized standards as described below were introduced into Tedlar Bags. Then nitrogen gas was added into the Tedlar Bags and were measured by a GC/FID.
Standard Compound List: Acetone, Methylethylketone, Methyl isobutyl ketone, Isopropyl alcohol, Isobutyl alcohol, 1-Butanol, Ethylbenzene, Cyclohexane, n-Hexane, o-Xylene, m-Xylene, Toluene, Dicholoromethane, Methyl acetate, Ethyl acetate, Isobutyl acetate, n-Butyl acetate (50ng/mL each)
Each concentration of malodorous compound was prepared as described below and filled in a 5L Tedlar Bag together with nitrogen gas. Concentration changes over time were calculated with a detecting tube at certain times.
Permeation rate of O 2 , N 2 , CH 4 and CO 2 was measured using a permeation rate measurement system on Tedlar Bag. (in cm 3 /(m 2 • 24 h • 1 atm)
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Tedlar Bag AB-5, AB - M6 connector (single), 5 L