Page 177 - Shimadu Consumables Catalog
P. 177
SH-Wax
Polar phase: Crossbond™ polyethylene glycol SH-Wax Structure
Best polyethylene glycol (PEG) phase for alkenols, glycols, and aldehydes.
Equivalent to USP G14, G15, G16, G20, G39 phases.
Similar phases: DB-Wax, CP-Wax 52 CB
ID df Temp. Range 15 m 20 m 30 m 50 m 60 m
0.10 µm 20 to 250 °C − − 221-76186-30 − −
0.25 mm 0.25 µm 20 to 250 °C − − 221-75893-30 221-75893-50 221-75893-60
0.50 µm 20 to 250 °C − − 221-75894-30 − 221-75894-60
0.25 µm 20 to 250 °C − 221-75895-20 221-75895-30 − 221-75895-60
0.32 mm 0.50 µm 20 to 250 °C − − 221-75896-30 221-75896-50 221-75896-60
1.00 µm 20 to 240/250 °C − − 221-75897-30 − 221-75897-60
0.25 µm 20 to 250 °C − − 227-36244-01 − −
0.53 mm 0.50 µm 20 to 250 °C − − 221-76188-30 − 227-36245-01
1.00 µm 20 to 240/250 °C 221-75899-15 − 221-75899-30 − 221-75899-60
* Maximum temperatures listed are for shorter length columns. Longer columns may have a different maximum temperature.
Aldehydes Peaks
1. ethanal
2. propanal
3. butenal
4. pentanal
5. hexanal
6. heptanal
7. octanal
8. nonanal
9. decanal
10. undecanal
Conditions
Column : SH-Wax, 30 m, 0.25mm ID,
0.50 μm (P/N: 221-75894-30)
Sample : C2-C11 aldehydes mixture
On-column conc.: 250 ng
Injection : Split (split ratio: 100:1)
Inj. Temp : 200 °C
Carrier Gas : Hydrogen, linear velocity 35
cm/sec. set at 40 °C
Oven Temp : 40 °C (hold 5 min) to 200 °C at
10 °C/min
Detector : FID, 200 °C
Pg C-27