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Merck

23818-U

Supelco

SCOT Column

phase BMEA

Sinónimos:

GC column, SCOT, BMEA

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About This Item

UNSPSC Code:
12000000
NACRES:
SB.54

material

stainless steel

Quality Level

description

3.5 in. banded coil
BMEA = bis-methoxyethyladipate
Dimensions: 1/16 in. connections
SCOT = Support Coated Open Tubular

parameter

25-100 °C temperature (isothermal or programmed)

Beta value

40

technique(s)

gas chromatography (GC): suitable

L × O.D. × I.D.

50 ft × 1/32 in. × 0.5 mm

matrix active group

BMEA phase

application(s)

chemicals and industrial polymers

column type

capillary SCOT

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General description

Capillary columns are basically of two type wall-coated open tubular (WCOT) and support-coated open tubular (SCOT). WCOT columns consist of a capillary tube, where the walls of the tube are coated with liquid stationary phase. In SCOT capillary columns, the inner wall of the capillary is lined with a thin layer of a particulate support, such as diatomaceous earth; onto this support material a thin layer of liquid stationary phase is then coated. This is an added advantage to the SCOT columns as it provides them larger surface area and thicker layer of stationary phase than WCOT columns.
Supelco is the leader in Support Coated Open Tubular (SCOT) GC column technology. Our unsurpassed manufacturing technique allows us to deposit a uniform layer of liquid phase-coated support particles on the inner wall of stainless steel tubing. This technology gives us access to many phases that are inaccessible to conventional fused silica capillary column manufacturing technology. SCOT columns combine the sensitivity and excellent sample resolution of capillary GC with the extensive stationary phase library of packed GC.

All our SCOT columns have dimensions of 50 feet x 1/32 inch O.D. x 0.02 inch I.D. and include 1/16 inch O.D. connections at each end. They are banded in 3.5 inch coils, with 12 inch loose column at each end. Four columns are available as stock items. Columns with other phases may be available through our custom program.

Application

SCOT Capillary GC Column may be used for high resolution gas chromatography. It may also be used for the determination of nonhydroxy fatty acid composition of rat brain lipids.

Other Notes

We offer a variety of chromatography accessories including analytical syringes

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Laboratory Instrumentation.
Haven MS
Gas Chromatography, 275-277 (1994)
High resolution gas chromatography with thermostable glass open tubular capillary columns.
German,AL
Analytical Chemistry, 45 (6), 930-935 (1973)
R K Pullarkat et al.
Journal of chromatographic science, 14(1), 25-28 (1976-01-01)
The nonhydroxy fatty acid composition of rat brain lipids (except gangliosides) was determined by support-coated open-tubular (SCOT) gas chromatography. Fatty acids of both odd and even chain lengths ranging from C14 to C26 were detected. Brain lipids contained 49% saturated

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