GC Analysis of Volatiles in Eucalyptus Honey on SUPELCOWAX 10 after SPME using 50/30 μm DVB/Carboxen/PDMS Fiber
材料
SPME 光纤
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SPME 纤维组件二乙烯基苯/羧基/聚二甲基硅氧烷 (DVB/CAR/PDMS)
needle size 24 ga, StableFlex fiber, for use with autosampler, fiber L 2 cm, pk of 3分析色谱柱
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标准
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CONDITIONS
sample/matrix
5 g eucalyptus honey + 5 mL bidistilled water in a 20 mL vial, allowed to equilibrate at 50 °C for 15 min with magnetic stirring
SPME fiber
StableFlex 2cm SPME Fiber, 50/30 μm DVB/CARBOXEN-PDMS (57348-U)
extraction
headspace, 50 °C for 40 min with magnetic stirring
desorption process
250 °C for 2 min
column
SUPELCOWAX 10, 30 m x 0.25 mm I.D., 0.25 μm (24079)
oven
35 °C (8 min), 6 °C/min to 60 °C, 4 °C/min to 160 °C, 20 °C/min to 200 °C (1 min)
MSD interface
230 °C
scan range
carrier gas
helium, 1 mL/min
liner
0.75 mm I.D., SPME
说明
法律信息
null