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  1. Chromservis
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Chromatography

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          More about chromatography

          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

          forte CYDEX-B

          NE(Permethylated Beta Cyclodextrin)

          • Chiral column for the separation of enantiomeric compounds found in natural products.
          Applications:
          • Enantiomeric purity
          • Flavour
          • Terpenoids
          Temperature limits
          ID (mm) df(µm) Temperature limits (°C)
          0.22 0.25 30 to 220/240
          0.25 0.25 30 to 220/240