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24218-U

Supelco

SPB®-Octyl Capillary GC Column

L × I.D. 30 m × 0.25 mm, df 0.25 μm

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eCl@ss:
32119290
NACRES:
SB.54

material

fused silica

Quality Level

100

Agency

EPA 1668
suitable for EPA 1613

parameter

-60-280 °C temperature (isothermal or programmed)

Beta value

250

df

0.25 μm

technique(s)

gas chromatography (GC): suitable

L × I.D.

30 m × 0.25 mm

matrix active group

Bonded; poly(50% n-octyl/50% methyl siloxane) phase

application(s)

environmental
food and beverages

column type

capillary non-polar

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General description

SPB®-Octyl Capillary GC Column has high resolution and it provides reliable congener separations.
Application: The low polarity of this column approaches squalane, making it substantially less polar than that of the widely used non-polar poly(dimethyl siloxane) columns. This column offers unique selectivity compared to non-polar and intermediate polarity columns, and can be used for confirmational analyses of PCB-containing samples.
USP Code: None
Phase:
  • Bonded
  • Poly(50% n-octyl/50% methyl siloxane)
Temp. Limits:
  • ≤0.32 mm I.D.: -60 °C to 280 °C (isothermal or programmed)
  • ≥0.53 mm I.D.: -60 °C to 260 °C (isothermal or programmed)

Application

SPB®-Octyl Capillary GC Column was used in solid-phase microextraction-capillary gas chromatography combined with microwave-induced plasma atomic-emission spectrometry (GC-MIP-AED), for speciation of selenite (SE(IV)) as it is an element which is essential at low levels and is considered at higher levels.

Other Notes

We offer a variety of chromatography accessories including analytical syringes

Legal Information

SPB is a registered trademark of Merck KGaA, Darmstadt, Germany

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Sanka N Atapattu et al.
Journal of chromatography. A, 1195(1-2), 136-145 (2008-05-27)
An iteration procedure is used to optimize the solute descriptors for 94 compounds suitable for characterizing the retention properties of open-tubular columns for gas chromatography in the intermediate temperature range of 160-240 degrees C. These solute descriptors are used to
Thushara Karunasekara et al.
Journal of chromatography. A, 1266, 124-130 (2012-10-24)
A combination of gas chromatography and liquid-liquid partitions in totally organic biphasic systems is used to determine descriptor values for compounds of low volatility suitable for characterizing open tubular columns at high temperatures. The descriptor database of varied compounds includes
Introduction to Environmental Forensics.
Murphy BL and Morrison RD.
Technology & Engineering, 434-435 (2007)
Emmanouil Dimitrakakis et al.
Analytical and bioanalytical chemistry, 379(5-6), 842-848 (2004-06-29)
The use of solid-phase microextraction (SPME) with gas chromatography coupled to microwave-induced plasma atomic-emission detection (GC-MIP-AED) is described for selenite [Se(IV)] speciation. Aqueous standards were derivatised with sodium tetraethyl- or tetrapropylborate and extracted by SPME. Headspace extraction of the ethyl

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