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Chromatography

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        More about chromatography

        Rxi-35sil MS

        Rxi® Capillary GC ColumnsGC column

        These columns have been designed specifically to be the best columns available, for exceptional inertness, ultra-low bleed, and reproducible retention and selectivity. In addition to outstanding performance, this combination of column characteristics assures Rxi® columns will have long lifetimes. The Restek chemists also have developed a stable, reproducible manufacturing process, so that Rxi® columns will meet your needs every time you install a new column.

        Benefits of Rxi® columns
        • Ultra-low bleed
        • Exceptional inertness
        • Reproducible performance, column after column
        Applications
        • Organochlorine pesticides
        • PCB congeners or Aroclor mixes
        • Herbicides
        • Pharmaceuticals
        • Sterols
        • Rosin acids
        • Phtalate esters

        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.25 0.25 -60 to 340/360
        0.32 0.25 -60 to 340/360
        0.53 0.50 -60 to 320/340

        Rxi-624Sil MS

        Rxi® Capillary GC ColumnsGC column

        These columns have been designed specifically to be the best columns available, for exceptional inertness, ultra-low bleed, and reproducible retention and selectivity. In addition to outstanding performance, this combination of column characteristics assures Rxi® columns will have long lifetimes. The Restek chemists also have developed a stable, reproducible manufacturing process, so that Rxi® columns will meet your needs every time you install a new column.

        Benefits of Rxi® columns
        • Ultra-low bleed
        • Exceptional inertness
        • Reproducible performance, column after column

        The Rxi®-624Sil MS stationary phase

        • Excellent peak shape for a wide range of compounds, including acidic and basic compounds.
        • Highly selective for residual solvents, great choice for USP<467>.
        Applications
        • Residual Solvents

        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.18 1.00 -60 to 300/320
        0.25 1.40 -60 to 300/320
        0.32 1.80 -60 to 300/320
        0.53 3.00 -60 to 280/300

        Rxi-5 HT

        GC columnRxi® Capillary GC Columns

        These columns have been designed specifically to be the best columns available, for exceptional inertness, ultra-low bleed, and reproducible retention and selectivity. In addition to outstanding performance, this combination of column characteristics assures Rxi® columns will have long lifetimes. The Restek chemists also have developed a stable, reproducible manufacturing process, so that Rxi® columns will meet your needs every time you install a new column.

        Benefits of Rxi® columns
        • Ultra-low bleed
        • Exceptional inertness
        • Reproducible performance, column after column
        • 40% longer lifetime from specially designed fused silica tubing
        • Columns processed for high temperature applications
        Applications
        • Diesel Fuels
        • Motor Oils
        • High Boiling Petroleum Products
        • Polymers/Plastics
        • High Molecular Weight Waxes
        • Simulated Distillation Methods
        • Long-chained Hydrocarbons
        • Triglycerides
        Temperature limits
        ID (mm) df(µm) Temperature limits* (°C)
        0.25 0.10 -60 to 400
        0.25 0.25 -60 to 400
        0.32 0.10 -60 to 400
        0.32 0.25 -60 to 400
        0.53 0.15 -60 to 400

        * Column is capable of going to 430°C, but column lifetime will be reduced.

        forte BPX90

        NE(90% Cyanopropyl Polysilphenylene-siloxane)

        • High Polarity Phase.
        • Low bleed, midified silphenylene siloxane backbone for high thermal stability.
        • Unigue phase from SGE.
        • Ideal column for second dimension 2D GC systems.
        Applications:
        • cis/trans and Positional Isomers FAMEs
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.25 0.25 70 to 280
        0.32 0.50 70 to 280

        forte BP20

        NE(Polyethylen glycol phase)

        • High polarity phase.
        • Excelent separation of aromatics isomers as xylenes.
        Applications:
        • Alcohols, aldehydes, esters and ketones
        • BTEX
        • Solvents
        • FAMEs
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.10 0.10 20 to 260/280
        0.22 0.25 20 to 260/280
        0.25 0.25 20 to 260/280
        0.25 0.50 20 to 260/280
        0.32 0.25 20 to 260/280
        0.32 0.50 20 to 260/280
        0.32 1.00 20 to 240/260
        0.53 0.50 20 to 260/280
        0.53 1.00 20 to 240/260
        0.53 2.00 20 to 240/260

        forte BP21 (FFAP)

        NE(Nitroterephthalic acid (TPA) modified Polyethylene Glycol)

        • High polarity phase.
        Applications:
        • Free fatty acids
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.22 0.25 35 to 240/250
        0.25 0.25 35 to 240/250
        0.32 0.25 35 to 240/250
        0.53 0.50 35 to 240/250
        0.53 1.00 35 to 240/250

        forte BP10 (1701)

        NE(14% Cyanopropylphenyl Polysiloxane)

        • Moderately polarity phase.
        • This phase has been selected with a polarity suited for the separation of organochlorine pesticides listed in the EPA 608 and 8081 methods.
        Applications:
        • Organochlorine pesticides
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.22 0.25 -20 to 280/300
        0.25 0.25 -20 to 280/300
        0.25 1.00 -20 to 280/300
        0.32 0.25 -20 to 280/300
        0.32 0.50 -20 to 280/300
        0.32 1.00 -20 to 280/300
        0.53 0.50 -20 to 280/300

        forte BP225

        NE(50% Cyanopropylphenyl Polysiloxane)

        • Moderately polarity phase.
        Applications:
        • FAMEs
        • Carbohydrates
        • Neutral sterols
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.22 0.25 40 to 230/260
        0.32 0.25 40 to 230/260
        0.53 0.50 40 to 230/260

        forte BPX-Volatiles

        NE(Cyanopropylphenyl Polysiloxane)

        • A polar phase used for EPA volatile organics analysis (EPA 624, SW-846 8240/8260), alcohol analysis and for USP G43.
        Applications:
        • Volatiles
        • Alcohols
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.18 1.00 0 to 290/300
        0.25 1.40 0 to 290/300
        0.32 1.80 0 to 290/300
        0.53 3.00 0 to 290/300

        forte BP624

        NE(Cyanopropylphenyl Polysiloxane)

        • A polar phase used for EPA volatile organics analysis (EPA 624, SW-846 8240/8260), alcohol analysis and for USP G43
        Applications:
        • Volatiles
        • Alcohols
        Temperature limits
        ID (mm) df(µm) Temperature limits (°C)
        0.22 1.20 0 to 230/240
        0.25 1.40 0 to 230/240
        0.32 1.80 0 to 230/240
        0.53 3.00 0 to 230/240