Capillary Columns Dedicated Columns
SH-PolarD Polar phase: Crossbond™ acid-deactivated Carbowax™ polyethylene glycol
Dedicated columns for free (underivatized) acids, some inorganic acids.
Resistant to oxidative damage.
Equivalent to USP G25 and G35 phases.
Similar phases: HP-FFAP, DB-FFAP, VF-DA, CP-Wax 58 CB, CP-FFAP CB, Nukol
ID
df
Temp. Range
30 m
60 m
0.10 µm
40 to 250/260 °C
227-36271-01
−
0.25 mm
0.25 µm
40 to 250/260 °C
221-75981-30
227-36272-01
0.50 µm
40 to 250/260 °C
227-36273-01
227-36273-02
0.10 µm
40 to 250/260 °C
227-36274-01
−
0.25 µm
40 to 250/260 °C
227-36321-02
227-36275-01
0.32 mm
0.50 µm
40 to 250/260 °C
227-36322-02
227-36276-01
1.00 µm
40 to 240/250 °C
227-36277-01
227-36277-02
0.25 µm
40 to 250/260 °C
227-36278-01
227-36278-02
0.50 µm
40 to 250/260 °C
227-36279-01
227-36279-02
0.53 mm
1.00 µm
40 to 240/250 °C
227-36280-01
227-36280-02
1.50 µm
40 to 230/240 °C
227-36281-01
227-36281-02
Organic Acids (Free Fatty Acids)
Peaks 1. acetic acid
8
2. propionic acid 3. isobutyric acid 4. n-butyric acid 5. isovaleric acid 6. n-valeric acid 7. isocaproic acid 8. caproic acid 9. heptanoic acid 10. caprylic acid 11. capric acid 12. lauric acid 13. myristic acid 14. palmitic acid 15. stearic acid 16. arachidic acid 17. behenic acid
9
7
11
13
6
5
10
14
16
12
17
15
Conditions
4
Column
: SH-PolarD, 30 m, 0.53 mm ID, 0.25 μm (P/N: 227-36278-01)
3
Sample
: free acid standard Conc.: 25 ng/μL.
2
Inj. Vol.
: 0.3 μL direct
1
Inj. Temp
: 280 °C
Oven Temp
: 100 °C (hold 2 min) to 280 °C at 8 °C/min, (hold 10 min) : Hydrogen, ow rate 10 cc/min, linear velocity 80 cm/sec.
Carrier Gas
min. 4
8
12
16
20
24
28
Detector
: FID, 280 °C
Pg C-37
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