National Scientific

Compare Tool

Select up to 3 products

HomeAll Products

National Scientific

1 - 32 of 105
Sort
View
Show
  • 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 …

  • Natural color PTFE laminated to clear silicone Extremely clean

  • 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

  • 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

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

  • 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 …

  • 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…

  • 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) Combine the convenience of a larger opening with the security of a tighter seal. Tightly controlled…

  • 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…

  • 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 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…

  • Sample Storage Caps

    National Scientific

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

  • 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

  • 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

  • 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.

  • Thermo Scientific™ 9mm Amber Vial Convenience kits (Assembled) save time during sample preparation and reduce the risk of contamination. Each kit includes 100 amber glass vials and 100 screw thread caps with pre-assembled septa. The kit is packaged in convenient vial trays with clear covers…

  • Thermo Scientific™ Target2 GMF (Glass MicroFiber) Syringe Filters offer a larger porosity membrane; able to remove large particulates without clogging. Solvent-resistant Low-extractable polypropylene housing Syringe filters can be sterilized by autoclave at 125° for 15…

  • Target Snap-It Glass Vials

    National Scientific

    Wide-opening 2 ml, 12 x 32 mm vial Superior 33 expansion borosilicate glass Meets extremely tight tolerances I-D vial with write-on patch measures 0.5, 1.0 and 1.5 ml 1230W33 Convenience Kit contains 100 Target Snap-It Clear Vials with Clear Seals with Red PTFE/White Silicone Septa.

  • 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…

  • 8mm Aluminum Crimp Seals

    National Scientific

    Secure leak-resistant seal Aluminum seals must be applied with a crimping tool

  • 15x45mm 4mL Screw Thread Vials

    National Scientific

    Original Waters™ 4mL WISP™ autosampler vial Superior quality 51A amber glass Uniformly flat bottom for security with inserts

  • 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…

  • 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…

  • 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

  • 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

  • 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

  • Butyl Gray Headspace Vial Septa

    National Scientific

    For 20 mm vials Temperature range: 40° to 120°C Does not provide PTFE barrier Not suitable for alkalines, benezene, chlorinated solvents or cyclohexane

  • Wide Opening Crimp Top Vials

    National Scientific

    Wide opening vials are easier to fill 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 bottom for security with inserts I-D vials feature write-on patch with…

  • Pre-assembled caps with Septa 10-425 thread finish

  • 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…

Compare Tool

Select up to 3 products

Please Log In

Don't have a web profile? Create one now.