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Essentials

Columns

Rxi Guard/Retention Gap Columns (fused silica)

  • Extend column lifetime.
  • Excellent inertnessobtain lower detection limits for active compounds.
  • Sharper chromatographic peaks by utilizing retention gap technology.
  • Maximum temperature: 360 °C.

Raptor EXP Guard Column Cartridges

  • Free-Turn architecture lets you change cartridges by hand without breaking inlet/outlet fluid connectionsno tools needed.
  • Patented titanium hybrid ferrules can be installed repeatedly without compromising high-pressure seal.
  • Auto-adjusting design provides ZDV (zero dead volume) connection to any 10-32 female port.

Rxi Capillary GC Columns

Leverage the outstanding inertness, low bleed, and high reproducibility of Rxi GC Columns with 3-in-1 technology to gain:
  • Accurate Data
  • The Right Results Fast
  • Maximized Instrument Uptime

Raptor SPP Core-Shell LC Columns

The speed of SPP with the resolution of USLC technology for fast, efficient method development that delivers:
  • Drastically faster analysis times.
  • Substantially improved resolution.
  • Increased sample throughput with existing HPLC and UHPLC instrumentation.
  • Dependable reproducibility.

Reference Standards

Supplies & Accessories

Topaz GC Inlet Liners

Revolutionary technology and inertness deliver the next level of True Blue Performance:
  • Deactivation—unbelievably low breakdown for low-level GC analyses.
  • Reproducibility—unbeatable manufacturing and QC for reliability.
  • Productivity—unparalleled stability and cleanliness.

Opti-Max Check Valves

  • Free-Turn housings can be removed with the tubing still attached, making maintenance fast while reducing fitting wear.
  • Rugged stainless steel cartridge bodies with ceramic ball and seat ensure longevity in harsh acetonitrile environments.
  • Every cartridge is tested to three bubbles of nitrogen/minute (industry standard is 12).
  • All balls and seats are individually matched.
  • Minimized ball travel distance delivers quicker seating for more accurate pump metering.

Replacement RAVEn Diaphragm Valves

For Entech air sampling canisters

  • Easy retrofitconnect to Entech 3.2 L, 6 L, and 15 L air canisters; replace TOV and TOV-2 valves without modification!
  • Proven long lifedurable design is engineered to exceed 15,000 cycles; identical internal design to RAVE valves for Restek air canisters.
  • Leak-free performanceevery valve is helium leak-tested to 1x10-6 mL/sec.
  • Effortless operationeasily finger-turn to achieve full valve closure (only 10 in-lb).
  • Enhanced damage-resistanceW-type valve seats are work-hardened and wetted surfaces contain no moving parts.

Thermolite Plus Septa

  • Usable to 350 °C inlet temperature.*
  • Ultra-low bleed minimizes background signal.
  • New plasma coating eliminates sticking in the injection port.
  • Precision molding ensures consistent, accurate fit.
  • Septa have a CenterGuide design to minimize coring. (Not available on 6 mm, 7 mm, 8 mm, 9.5 mm, 10 mm and Shimadzu plug.)
  • 5 mm septa are partially predrilled for improved puncturability.
  • Preconditioned and ready to use.
  • Packaged in ultra-clean blister packs.
  • Each batch GC-FID tested.

Defined PressFit Connectors

  • Defined fit: ID-specific ends for better sealability.
  • Color-coded for easy identification.
  • Deactivated borosilicate glass.
  • Connect a guard column to an analytical column.
  • Repair a broken column.
  • Connect a column outlet to a transfer line.

SilTite µ-Union Connectors

  • Reliably create permanent connections between fused silica analytical columns, guard columns, and retention gaps.
  • SilTite FingerTite technology provides easy installation and a permanent leak-tight connection.
  • Deactivated metal and zero-dead-volume design ensure optimal peak shapes.
  • Robust connection is stable through extreme temperature and pressure cycling, making it ideal for use with mass spectrometers.
  • Kits contain two SilTite µ-Union connectors, five double-taper ferrules, and installation tools.

EXP2 Reusable Fittings for HPLC & UHPLC

for 10-32 fittings and 1/16" tubing

  • Unique nut driver allows easy 20,000+ psi seals without wrenches.*
  • Patented ferrule can be installed repeatedly without compromising high-pressure seal.
  • Precision design provides zero-dead-volume (ZDV) connection to any 10-32 port.
  • Compact design fits in tight spaces, perfect for small oven compartments and six-port injection valves.
  • Non-swaged ferrules mean vendor-specific tubing is not required.
  • Suitable for both HPLC and UHPLC.

    *Rated to 20,000+ psi (1,400 bar) and tested to 30,000 psi (2,068 bar).

High-Temperature EI Filament

for Agilent 5972, 5973, 5975, or 5977 GC-MS

  • EI (electron ionization) filaments meet or exceed original manufacturer's performance.
  • Every filament is subjected to QC tests, including heat, electrical current, and resistance.
  • Samples from each filament manufacturing lot are installed in an MSD for in situ testing.

LC Maintenance Kits

Simplify routine maintenance with these handy kits for LC.

  • Significant savings over instrument manufacturer prices.
  • High quality components in every kit.
  • Wide selection of PM Kits for your HPLC systems.

Restek Super Clean Gas Filter Kits

  • High-purity output ensures 99.9999% pure gas (at max. flow of 2 L/min).
  • Designed for easy, hassle-free cartridge changes.
  • Glass inside to prevent diffusion; polycarbonate housing outside for safety.

Vials and Plates

Vials, caps and septa, inserts, racks, and well plates for your entire lab.

GC-MS Cleaning Kit

Poor sensitivity, loss of sensitivity at high masses, or high multiplier gain during an auto tune are all indicators that your mass spectrometer source may need to be cleaned. Restek has assembled all of the necessary components for cleaning and polishing your ion source.

Capillary Ferrules

for 1/16-Inch Compression-Type Fittings

Available in Vespel, graphite, or Vespel/graphite material.

Viton O-Rings

For Agilent, Thermo TRACE 1300/1310, and Varian 1177 GCs

Fit split (6.3 mm OD) or splitless (6.5 mm OD) liners.

Viton O-Rings

for PerkinElmer PSS Injector

Viton O-Rings

for Shimadzu 17A, 2010, and 2014 GCs

Viton O-Rings

for Apex Liners

The Claw and The Claw Holder Kit

  • Easily removes hot liners from injection ports.
  • 4 mL vials (not included) can be replaced when dirty.

Septum Puller

  • Use hooked end for removing septa and O-rings; pointed end works well for removing stuck ferrules or debris.
  • Keep several on hand in your laboratory for other uses, too.

Ceramic Scoring Wafer

Four straight scoring edges for cutting fused silica tubing and four serrated edges for cutting MXT metal capillary columns.

Sample Handling

Thomson SINGLE StEP Standard Filter Vials

  • Recommended for samples containing less than 10% solid particulates.
  • Easy-to-use vials offer fast sample filtration and require only a squeeze of your fingers.
  • Minimize sample loss by eliminating multiple transfers.
  • Color-coded caps allow easy identification of 0.2 μm or 0.45 μm membranes in PVDF, PTFE, PES, or nylon.
  • Pre-slit PTFE/silicone caps help eliminate broken autosampler needles and cored septa.
  • Rugged polypropylene vial houses insert with 450 μL loading capacity and low dead volume (120 μL).
  • Fit most standard 12 x 32 mm autosamplers, including UHPLC instruments.

Thomson SINGLE StEP Low Evaporation Filter Vials

  • Enhanced evaporation prevention technology ensures less than 0.4% evaporation over 24 hours.
  • Easy-to-use vials offer fast sample filtration and require only a squeeze of your fingers.
  • Color-coded caps allow easy identification of 0.2 μm or 0.45 μm membranes in PVDF, PTFE, or nylon.
  • Rugged polypropylene vial houses insert with 450 μL loading capacity and low dead volume (120 μL).
  • Fit most standard 12 x 32 mm autosamplers, including UHPLC instruments.

Thomson SINGLE StEP eXtreme Filter Vials

  • Provide multilayer filtration for viscous samples and samples containing up to 30% solid particulates.
  • Allow compounds to be separated from matrix, resulting in both higher signal-to-noise ratios and more differentiated peaks.
  • Easy-to-use vials offer fast sample filtration and require only a squeeze of your fingers.
  • Color-coded caps allow easy identification of 0.2 μm or 0.45 μm membranes in PVDF, PTFE, PES, or nylon.
  • Pre-slit PTFE/silicone caps help eliminate broken autosampler needles and cored septa.
  • Rugged polypropylene vial houses insert with 450 μL loading capacity and low dead volume (120 μL).
  • Fit most standard 12 x 32 mm autosamplers, including UHPLC instruments.

Thomson SINGLE StEP Nano Filter Vials

  • Ultra-low dead volume allows you to filter as little as 10 μL of sample and still obtain enough filtrate to make a 2 μL injection.
  • Easy-to-use vials offer fast sample filtration and require only a squeeze of your fingers.
  • Color-coded caps allow easy identification of 0.2 μm or 0.45 μm membranes in PVDF, PTFE, PES, or nylon.
  • Available with either standard or pre-slit PTFE/silicone caps. Standard caps minimize evaporation and pre-slit caps help eliminate broken autosampler needles and cored septa.
  • Rugged polypropylene vial houses insert with 250 μL loading capacity and extremely low dead volume (8 μL).
  • Fit most standard 12 x 32 mm autosamplers, including UHPLC instruments.

Syringe Filters with Luer Lock Inlet

  • Luer lock inlet offers leak-tight syringe connection.
  • Variety of filter types, porosities, and diameters.
  • Color coded for easy identification.
  • Rugged polypropylene housing.
  • Autoclavable to 121 °C for 15 minutes.
  • Quantity break pricing for greater savings.