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Lead Column Product List

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Low bleed GC/MS column "VF-200ms"

Low bleed GC/MS column "VF-200ms"

Separate polar compounds with unique selectivity! Ideal for the analysis of high dipole compounds with high electron density!

The "VF-200ms" is a unique GC column that utilizes trifluoropropyl in the liquid phase for separation through dipole-dipole interactions. It is ideal for the analysis of high dipole compounds with high electron density, such as ketones, aldehydes, nitro compounds, halogenated compounds, PAHs, unsaturated compounds, silanes, and CFCs. Due to advanced passivation treatment, it exhibits sharp symmetrical peaks. As a result, the accuracy of peak identification is enhanced, and the reliability of the analysis is improved. 【Features】 ■ Uses trifluoropropyl in the liquid phase ■ Exhibits sharp symmetrical peaks ■ Provides high-quality data with advanced passivation treatment ■ Minimizes background noise and improves detection sensitivity ■ Separates compounds through dipole-dipole interactions *For more details, please refer to the PDF document or feel free to contact us.

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Low bleed GC/MS column "DB-225ms"

Low bleed GC/MS column "DB-225ms"

Chemical bonding and crosslinking type! Almost equivalent to dimethylpolysiloxane, 50%-cyanopropylphenyl!

We would like to introduce our GC column 'DB-225ms' that we handle. It has medium to high polarity and excels in the separation of fatty acid methyl esters (FAME). We continue to pursue further improvements in performance standards such as separation efficiency, retention time characteristics, and peak height ratios. Please feel free to contact us when you need assistance. 【Features】 ■ Almost equivalent to (50%-cyanopropylphenyl)-dimethylpolysiloxane ■ Medium to high polarity ■ Excellent in the separation of cis- and trans-fatty acid methyl esters (FAME) ■ Low bleed ■ Chemical bonding and cross-linking type *For more details, please refer to the PDF document or feel free to contact us.

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Low bleed GC/MS column "VF-624ms"

Low bleed GC/MS column "VF-624ms"

The ghost peak has disappeared and the baseline is stable! A cyano-propyl GC column for VOCs!

The "VF-624ms" is a GC capillary column that uses 6% cyanopropylphenyl and 94% dimethylpolysiloxane as the liquid phase, achieving ultra-low bleed. It is particularly adopted worldwide as a standard column for the analysis of volatile organic compounds (VOCs). The FactorFour technology enables ultra-low bleed, improving the signal-to-noise ratio (S/N). It is also used in EPA methods 524, 624, 8260, and USP 467. 【Features】 ■ Widely adopted worldwide as a standard column for the analysis of volatile organic compounds (VOCs) ■ Achieves ultra-low bleed through FactorFour technology ■ Significantly increases S/N ratio and improves quantification accuracy ■ Ghost peaks disappear and baseline stabilizes ■ Separates co-eluting compounds such as benzene and 1,2-dichloroethane *For more details, please refer to the PDF document or feel free to contact us.

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Low bleed GC/MS column 'VF-1301ms'

Low bleed GC/MS column 'VF-1301ms'

Thin film type of "VF-624ms"! A GC capillary column that significantly increases the S/N ratio and improves quantitative accuracy!

The "VF-1301ms" is a GC capillary column that achieves ultra-low bleed with a stationary phase consisting of 6% cyanopropylphenyl and 94% dimethylpolysiloxane. It uses the same stationary phase as the "VF-624ms." With a thin film thickness, it is suitable for the analysis of volatile organic solvents and pesticides. Additionally, ghost peaks have disappeared, and the baseline is stable. 【Features】 ■ Uses the same stationary phase as the "VF-624ms" ■ Significantly increases the S/N ratio and improves quantitative accuracy ■ Ghost peaks have disappeared, and the baseline is stable ■ Suitable for the analysis of volatile organic compounds and pesticides *For more details, please refer to the PDF document or feel free to contact us.

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Low bleed GC/MS column "VF-1701ms"

Low bleed GC/MS column "VF-1701ms"

Achieving ultra-low bleed with FactorFour technology! A column suitable for the analysis of semi-volatile organic compounds!

The "VF-1701ms" is a GC capillary column that uses 14% cyanopropylphenyl and 86% dimethylpolysiloxane as the liquid phase, achieving ultra-low bleed. It is suitable for the analysis of semi-volatile organic solvents and pesticides. The FactorFour technology enables ultra-low bleed, improving the S/N ratio. Additionally, the column bleed is guaranteed to be below 2 pA at 280°C. 【Features】 ■Improves the S/N ratio ■Column bleed is guaranteed to be below 2 pA at 280°C (for 0.25mm × 60m, 0.25μm) ■Good reproducibility for challenging compounds like p,p'-DDT ■High inertness and excellent accuracy ■Ghost peaks disappear and the baseline remains stable *For more details, please refer to the PDF document or feel free to contact us.

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