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24106-U

Supelco

Nukol™ Capillary GC Column

size × I.D. 15 m × 0.25 mm, df 0.25 μm

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About This Item

UNSPSC Code:
12352211
eCl@ss:
32119290
NACRES:
SB.54

material

fused silica

agency

meets requirements for USP G25 and G35

parameter

60-200 °C temperature (isothermal)
60-220 °C temperature (programmed)

Beta value

250

df

0.25 μm

technique(s)

gas chromatography (GC): suitable

size × I.D.

15 m × 0.25 mm

matrix active group

Bonded; acid-modified poly(ethylene glycol) phase

application(s)

agriculture
chemicals and industrial polymers
cleaning products
clinical
cosmetics
food and beverages
forensics and toxicology
personal care

column type

capillary polar

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General description

Application: The incorporation of acid functional groups into the phase lends an acidic character to this column, useful for analyses of volatile acidic compounds. Difficult to analyze carboxylic acids (free fatty acids) can be analyzed with excellent peak shape and minimal adsorption.
USP Code: This column meets USP G25 and G35 requirements.
Phase:
  • Bonded
  • Acid-modified poly(ethylene glycol)
Temp. Limits:
  • 60 °C to 200 °C (isothermal) or 220 °C (programmed)

Application

Nukol™ capillary GC column may be used for quantitative determination of free volatile fatty acids (FVFA) from dairy products. It may also be used for the determination of the free concentration of valproic acid in human plasma by equilibrium dialysis followed by solid-phase microextraction (SPME) and capillary gas chromatography.

Other Notes

We offer a variety of chromatography accessories including analytical syringes

Legal Information

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Certificates of Analysis (COA)

Lot/Batch Number
253482-08
253482-07
253482-06
253482-05
253482-04

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Solid-phase microextraction for the determination of the free concentration of valproic acid in human plasma by capillary gas chromatography.
Mette K
Journal of Chromatography. B, Biomedical Sciences and Applications, 673 (2), 299-305 (1995)
Quantitative determination of free volatile fatty acids from dairy products on a Nukol capillary column.
Luciano C.
Journal of Chromatography A, 519 (2), 369-378 (1990)

Protocols

GC Analysis of Free Fatty Acids in Parmesan Cheese using Nukol™ after SPME using 65 μm Carbowax/DVB Fiber

In this study, SPME was used for the analysis of free fatty acids in Parmesan cheese using a 65 μm Carbowax/divinylbenzene (DVB) SPME fiber. Headspace extraction of the cheese sample was conducted at 65 °C for 15 minutes and analyzed by GC with FID detection. SPME is ideal for analyzing the volatiles associated with solid food samples. The phase chemistry of the Nukol GC column provides excellent peak shape of acidic compounds.

Chromatograms

suitable for GC, application for SPME

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