Page 168 - Shimadu Consumables Catalog

GC Columns

SH-20

Mid-polarity phase: Crossbond™ 20% diphenyl / 80% dimethyl polysiloxane SH-20 Structure
General-purpose columns for volatile compounds, flavor compounds, alcoholic beverages. $)

Equivalent to USP G28 and G32 phases. 4J 0 4J 0
Similar phases: SPB-20, 007-20, AT-20, EC-20. $)

ID df Temp. Range 30 m 60 m
0.10 µm -20 to 300/320 °C 227-36130-01 227-36130-02
0.25 µm -20 to 300/320 °C 227-36131-01 227-36131-02
0.25 mm
0.50 µm -20 to 290/310 °C 227-36132-01 227-36132-02
1.00 µm -20 to 280/300 °C 227-36133-01 227-36133-02
0.10 µm -20 to 300/320 °C 227-36134-01 227-36134-02
0.25 µm -20 to 300/320 °C 227-36135-01 227-36135-02
0.50 µm -20 to 290/310 °C 227-36136-01 227-36136-02
0.32 mm
1.00 µm -20 to 280/300 °C 227-36137-01 227-36137-02
1.50 µm -20 to 270/290 °C 227-36138-01 227-36138-02
3.00 µm -20 to 250/270 °C 227-36139-01 227-36139-02
0.10 µm -20 to 260/280 °C 227-36140-01 227-36140-02
0.25 µm -20 to 260/280 °C − 227-36141-01
0.50 µm -20 to 260/280 °C 227-36142-01 −
0.53 mm
1.00 µm -20 to 260/280 °C 227-36143-01 227-36143-02
1.50 µm -20 to 250/270 °C 227-36144-01 −
3.00 µm -20 to 240/260 °C 227-36145-01 227-36145-02

SH-25 Structure
SH-25

Mid-polarity phase: Crossbond™ 25% diphenyl / 75% dimethyl polysiloxane
General-purpose columns for volatile compounds, flavor compounds, alcoholic beverages.
25% 75%
ID df Temp. Range 60 m
0.32 mm 1.49 µm -20 to 250/270 °C 227-36329-01

Tocopherols and Tocotrienols

Peaks
1. δ-tocopherol Conditions
2. δ-tocopherol Column : SH-20, 30 m, 0.53 mm ID, 0.50 μm
3. δ-tocopherol
4. dl-δ-tocotrienol (P/N: 227-36142-01)
5. δ-tocopherol Sample : 1 mg/mL each component in
6. dl-δ-tocotrienol isooctane
7. dl-δ-tocotrienol Inj. Vol. : 1 μL split (split ratio 20:1)
8. hexadecyl hexadecanoate Inj. Temp : 320 °C
9. dl-δ-tocotrienol
Carrier Gas : Hydrogen, constant flow rate
5.2 mL/min
Oven Temp : 270 °C to 290 °C at 2 °C/min
290 °C to 320 °C at 10 °C/min
(hold 1 min)
Detector : FID, 320 °C

Pg C-18