National Scientific
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Disposable Plastic Syringes
National ScientificFor 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…
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Storage Vials, Vial Only
National ScientificStorage 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…
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Standard Opening Crimp Top Vials
National ScientificNarrow neck crimp top vials fit many older GC autosamplers Standard opening vials are compatible with all 11mm crimp seals and 5mm nominal diameter inserts
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Empty Storerooms
National ScientificKeeps supplies readily available while protected from dust and other contaminants.
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Headspace Vials
National ScientificFits 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…
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Micro-Centrifugal Filters
National ScientificFilter 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
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Butyl Gray Headspace Vial Septa
National ScientificFor 20 mm vials Temperature range: 40° to 120°C Does not provide PTFE barrier Not suitable for alkalines, benezene, chlorinated solvents or cyclohexane
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13-425 Screw Thread Convenience Kits
National ScientificInclude 100 vials and 100 caps with pre-assembled septa All items remain handy and dust-free Caps with pre-inserted septa are not attached to vials—packaged in polybags
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Wide Opening Crimp Top Vials
National ScientificWide 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…
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10-425 Septa
National ScientificPTFE 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
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Polypropylene Membrane Target Syringe Filters
National ScientificNational Scientific Target Syringe filters assure product performance and reproducibility through a vigorous quality testing program that challenges each type of filter to provide interference-free results. New sample distribution rings promote uniform application of the sample across the membrane…
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Certified Vial Kits
National ScientificNational 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…
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11 mm Snap-It Seals with Septa
National ScientificFor all 2 ml, 12 x 32 mm Snap-It Vials Eliminates tedious crimping Effective evaporation-resistant closure Apply with simple thumb pressure
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250 L Polyspring Insert
National ScientificPulled point interior Conical glass The 250 µL Polyspring insert features a conical shape and a pulled point interior. As with all Polyspring inserts, it features a polyethylene spring that serves to center the bottom of the insert and to provide a cushion against needle contact.…
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Target Crimp Top Vial System, 2 mL, 12 x 32 mm Glass Vials
National ScientificFor 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…
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8mm Aluminum Crimp Seals
National ScientificSecure leak-resistant seal Aluminum seals must be applied with a crimping tool
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Target DP 9mm Vial Closures
National ScientificNational 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…
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SureSTART™ 18 mm Precision Screw Caps, Level 3 High Performance Applications
National ScientificUse Thermo Scientific™ SureSTART™ 18 mm Precision Screw Caps with screw vials that have an 18 mm opening, including our SureSTART 10 mL and 20 mL Screw Top Headspace Vials (Level 3). Select Level 3 products for ultimate performance and sensitivity from your…
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Storage Vial Convenience Kits, Open Top w/ Septum
National ScientificStorage 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 storgae life Chemically inert caps suitable for most chromatography and storage applications Top grade…
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Macrovial Target Crimp/Snap
National ScientificThe National Scientific macrovial target crimp/snap with a fused insert is a critical item to have in chemical laboratories to enhance the performance of various experiments and analysis.
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Bulk Autosampler Vial Kits
National ScientificCrimp top Standard opening Vials and seals with Septa