GC Analysis of Volatiles in Black Tea Bag on SPB^®-HAP after Collection/Desorption using Carbotrap^® 300 Tube

sample/matrix

0.3 g black tea from tea bag

thermal desorption tube

Carbotrap^® 300 Glass-Fritted Thermal Desorption Tube, 1/4 in O.D. x 3.5 in L (30141-U)

dry purge

20 min

desorption process

350 °C with 10 min hold

transfer line/valve temp.

180 °C

column

SPB^®-HAP, 60 m x 0.32 mm I.D., 4 μm (25020-U)

oven

40 °C (3 min), 12 °C/min to 200 °C (20 min)

detector

MSD

MSD interface

210 °C

carrier gas

helium