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…

  • Vial Racks for 2mL and 4mL Vials

    National Scientific

    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 alphanumeric indexing for easy location of samples …

  • Target DP Caps With Septa

    National Scientific

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

  • 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…

  • 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

  • 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.

  • Headspace 20mm Crimp Seals with Septa

    National Scientific

    20mm Crimp seals with prefitted septa for headspace vials Seals with pre-inserted septa are convenient and minimize contamination due to handling Use magnetic seals with CTC/Leap* Technologies, Gerstel* and other magnetic transport autosamplers PurePak* PTFE/Silicone seals are packed…

  • 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…

  • PTFE / Silicone Septa for Sample Screw Caps

    National Scientific

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

  • 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

  • 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 …

  • Standard Opening 8-425 Screw Thread Vials

    National Scientific

    Narrow neck vial w/8-425 thread finish High quality 33 expansion borosilicate glass or amber 51A glass Uniformly flat bottom for security with inserts I-D™ vials feature write-on patch with graduations at 0.5, 1.0 and 1.5mL Glastic vial features a glass insert pre-inserted…

  • 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…

  • 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.

  • 8x40mm Shell Vial Kits

    National Scientific

    Original 1mL shell vial for the Waters™ 96-position tray Manufactured from superior quality borosilicate glass Polyethylene SepCap with starburst center design eases syringe needle penetration Convenient vial kits include equal quantities of vials and caps

  • Assembled Vial Kit

    National Scientific

    Assembled kits include 100 vials with pre-attached caps and septa Packaged in convenient vial trays with clear covers Vial trays are stackable for easy storage

  • 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 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…

  • 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…

  • 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…

  • 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

  • 13mm Septa For Screw Thread Vials

    National Scientific

    PTFE Disk septa are inert chemically inert PFTE 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

  • 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…

  • 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…

  • 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.

  • 8mm Crimp Top Vials

    National Scientific

    All closures are fitted with pre-inserted septa 6x32mm vials offer superior low volume performance 7mm diameter vials are available with flat or conical bottoms 8x30mm vial fits older PerkinElmer autosamplers 8mm crimp top vials are designed to provide superior performance in limited…

  • 20mm Crimp Seals without Septa

    National Scientific

    Quick, convenient, and minimize contamination 20mm Crimp seals with prefitted septa for headspace vials Seals with pre-inserted septa are convenient and minimize contamination due to handling Use magnetic seals with CTC/Leap* Technologies, Gerstel* and other magnetic transport autosamplers…

  • 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…

  • 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

  • Screw Caps for Sample Vials

    National Scientific

    Open top without septa Polypropylene screw cap will not contaminate sample with syringe needle insertion-unlike phenolic caps that can flake.

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