GC Analysis of Fragrance Compounds in Shampoo Base on a 100% Methyl Column after SPME using 100 μm PDMS Fiber
材料
used together
产品编号
说明
价格
SPME 纤维组件聚二甲基硅氧烷 (PDMS)
100 μm PDMS, Fused Silica (1 cm), needle size 24 ga, Manual Holder, pk of 3, red hubCONDITIONS
SPME fiber
polydimethylsiloxane, 100 μm film (57300-U)
extraction
headspace, 5 min, 80 °C (with sample stirring)
desorption process
5 min, 250 °C
desorption temp.
-50 °C w/liquid CO2
column
100% methyl polysiloxane, 50 m × 0.25 mm I.D., 0.25 μm (Supelco equivalent, Equity-1, 28047-U)
oven
35 °C to 240 °C at 3 °C/min
inj. temp.
split, 250 °C
detector
MSD, scan m/z = 29-350 AMU
carrier gas
helium, 0.5 mL/min
sample
0.5 g shampoo base with 1% fragrance test mix, diluted 1:1 with NaCl/water in a 10 mL vial