National Scientific

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National Scientific

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  • Disposable Plastic Syringes

    National Scientific

    For use with syringe filters No rubber or synthetic plunger gaskets No silicone oil lubricant Luer-Slip or Luer Lok® fittings Two-part, all plastic syringes have polypropylene barrels and either polypropylene or polyethylene plungers for a wide range of chemical…

  • Target HPLC Syringe Filters

    National Scientific

    Non-sterile, sample prep membrane filters 7 membrane types Female Luer-Lock inlet, male Luer-slip outlet Solvent resistant polypropylene housings PES, GMF, Polypropylene and Cellulose Acetate membranes are certified for Ion Chromatography The polypropylene housings with…

  • Crimpers and De-Crimpers

    National Scientific

    National Scientific crimpers, de-crimpers and decapping pliers are available for 8mm, 11mm, 13mm, 20mm, 28mm, 30mm and 32mm standard crimp seals. Crimpers for flip-off seals are available for 13mm and 20mm closures.

  • Vial Racks for 2mL and 4mL Vials

    National Scientific

    Polystyrene racks feature a clear, see-through lid Polystyrene racks can be stacked empty or with any number of vials inserted Polypropylene racks can be stacked empty or with a full tray of vials Polypropylene rack is durable; can be washed and reused multiple times All racks feature…

  • 4 mm Syringe Filter Ca 0.45um 100 / Pk, 5Pks / Cs

    National Scientific

    For particulate removal prior to HPLC analysis. Cellulose acetate membrane for biological or protein-based samples. Low nonspecific binding with limited chemical resistance. Good flow rate characteristics. HPLC certified Cellulose Acetate membrane Medical grade, virgin polypropylene…

  • National Electronic Crimpers and Decrimpers

    National Scientific

    Attach or remove aluminum seals with the single press of a button. Thermo Scientific™ National Electronic Crimpers and Decrimpers offer adjustable crimp settings compatible with most cap types. Electronic crimpers provide secure, reproducible crimps. A single press of the button both…

  • Headspace Vials

    National Scientific

    Fits most autosamplers Crimp seal finish Flat or rounded bottoms Beveled edge Type 1 borosilicate glass Clear glass vials with 20mm crimp seal finish are designed to fit most headspace autosamplers Flat bottom vials maximize heating efficiency when used with bottom Round…

  • Target DP Vial System

    National Scientific

    For Agilent 7673 and 1100 Series Autosamplers Wide cap profile for rotating or robotic arm autosampler trays 40% wider opening 33 expansion glass (Type I Class A) Borosilicate glass Convenience of a screw cap vial with the integrity of a crimp vial, I-D™ vials have…

  • Target Crimp Top Vial System, 2 mL, 12 x 32 mm Glass Vials

    National Scientific

    For Agilent, Gilson, Hitachi and other autosamplers Precision-formed neck for improved autosampler handling 40% wider opening 33 expansion glass (Type I Class A Borosilicate) Combines the convenience of a larger opening with the security of a tighter seal. Tightly controlled crown formation…

  • Certified Vial Kits

    National Scientific

    National Scientific Certified vial kits are fully lot tested for 19 critical characteristics to provide the extra assurance that time after time the vial that you use upholds the rigorous manufacturing standards of National Scientific. National Scientific Certified Vials are offered as unassembled…

  • Storage Vials, Vial Only

    National Scientific

    Storage glassware manufactured in Type 1, Class A, 33 expansion borosilicate glass or 51A amber glass Capacity ranges from 2mL to 40mL Provide constant pH for duration of sample storage life Chemically inert caps suitable for most chromatography and storage applications Top grade…

  • 8mm Autosampler Inserts

    National Scientific

    These clear glass or polypropylene inserts for 8mm HPLC and GC autosampler vials are available in a variety of configurations with usable volumes ranging from 125-200μL.

  • PTFE / Silicone Septa for Sample Screw Caps

    National Scientific

    Extremely clean, natural-colored PTFE laminated to clear Silicone.

  • 11mm Crimp Seals

    National Scientific

    Aluminum seals with pre-inserted septa are compatible with standard opening crimp top vials, wide opening Target LOVial™ crimp top vials and Target Snap-it™ crimp/snap vials.

  • National 12 × 96mm Glass Vials for Automated TOC analyzers

    National Scientific

    Maximum fill volume: 5mL Superior quality N-51A clear borosilicate glass 5mL sample vial is designed for use in the Shimadzu™ Model ASI-5000 Screw thread vial fits standard 10-425 closures (included with pre-assembled product) Open-top vial was designed in cooperation with the…

  • Target® Wide-Opening Screw-Thread Vials

    National Scientific

    10-425 thread Borosilicate clear glass (Type 1, Class A) or 51A amber glass Uniformly flat bottom for security with inserts Graduated I-D* patch measures 0.5, 1.0 and 1.5mL

  • Target Snap-It 11mm Crimp/Snap Vials

    National Scientific

    Snap Cap Vials Wide opening vial is easier to fill and provides a larger target area for the autosampler needle Fit most autosamplers that accommodate the 12x32mm vial format Superior quality 33 expansion borosilicate clear glass Type 1, (Class A) or 51A amber glass Uniformly flat…

  • Non-Assembled Convenience Kits

    National Scientific

    Sample vials with PTFE-lined storage caps Available in clear or amber glass Each carton contains shrink-wrapped vials and PTFE-lined caps in plastic bags

  • Standard Opening Crimp Top Vials

    National Scientific

    Narrow neck crimp top vials fit many older GC autosamplers Standard opening vials are compatible with all 11mm crimp seals and 5mm nominal diameter inserts

  • Mass Spec Certified Vial Kits

    National Scientific

    Industry’s first and only pre-cleaned, low particle, low background chromatography vial The only vial clean enough for every high sensitivity application Testing process ensures integrity of 13 critical physical characteristics Unique pre-cleaned vials packaging and airtight,…

  • Target Crimp Top Vial System, Glastic Vials

    National Scientific

    Precision formed neck for improved autosampler handling 40% wider opening 33 expansion glass (Type I Class A Borosilicate) Combine the convenience of a larger opening with the security of a tighter seal. Tightly controlled crown formation improves seal. I-D vials with write-on…

  • 11 mm Silver Aluminum Seals With Septa

    National Scientific

    Thermo Scientific™ National Aluminum Crimp Seals provide a secure, leak-resistant seal that you can count on. Clear PTFE/NSC Silicone Septa Silver Aluminum Seal Anodized aluminum seals fit all 11mm crimp-top vials Seal 2000™ material is specially formulated for improved…

  • 8-425 Septa

    National Scientific

    PTFE Disk septa are chemically inert PTFE Red Rubber septa are economical for many GC applications PTFE/Silicone septa are most popular for HPLC and IC applications Pre-slit septa are easier to pierce with thin gauge needles

  • Target DP 9mm Vial Closures

    National Scientific

    National Target DP 9mm closures are designed to help chromatographers achieve more reliable and efficient sample analysis. Designed to accommodate nearly all chromatography autosamplers fitted for 12 x 32cm vial trays, the C5000 series closure effectively eliminates septa push-through and…

  • Target 10-425 Screw Thread Assembled Vial Kits

    National Scientific

    Wide opening Ready to use Save time and labor Target Kit includes caps and septa screw thread vials that are supplied in a storage tray. Vials have a wide opening, 2 mL capacity and measure 12 x 32 mm. Vials are supplied ready to use saving time and labor. Trays are stackable for…

  • Sample Storage Caps

    National Scientific

    PTFE-lined Film/foam backing for broad chemical resistance Not autoclavable

  • Micro-Centrifugal Filters

    National Scientific

    Filter volumes as low as 50µL up to 750µL with low hold-up volume Use with any laboratory microcentrifuge Virgin polypropylene filter housing with tapered 2mL, capped receiver tube 10,000xG maximum centrifugal force

  • Target Polyspring Inserts

    National Scientific

    Target Polyspring Inserts Eliminates dead volume, with correct autosampler default setting Permits maximum sample extraction Shock-absorbing polysprings prevent damage to syringes, center the inserts and make them stand straight. Mandrel-formed interior has a precise…

  • Target 10-425 Screw Thread Convenience Kits

    National Scientific

    Two compartment benchtop storage tray Includes 100 vials and 100 caps with pre-assembled septa All items remain handy and dust-free Caps with septa are not attached to vials (packed in separate polybag)

  • Target DP Caps With Septa

    National Scientific

    Caps are available with a variety of septa combinations to serve a range of applications.

  • 8-425 Screw Thread Caps with Inserted Septa

    National Scientific

    8-425 Screw Thread Caps with Inserted Septa Pre-assembled caps and septa are convenient and minimize contamination from handling Phenolic caps can be autoclaved Kim-Lok™ cap/septum assemblies feature a molded centering ring to eliminate septum movement during injection …

  • Crimp Seals with Septa

    National Scientific

    11 mm 2695B50, B53, B55 and B57 are made of the highest quality, medium durometer red rubber with a thin (0.015") layer of clear PTFE. Offers moderate resealability and excellent chemical inertness. Not recommended for multiple injections or holding samples for further analysis. 1230W36 is…

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