21 Best and Coolest National Scientifics

 

National Scientific Clear Glass Square Rim Flat Bottom Headspace Vial 215mL Capacity case of 1000

National Scientific Clear Glass Square Rim Flat Bottom Headspace Vial, 21.5mL Capacity (case of 1000)

National Scientific Clear Glass Square Rim Flat Bottom Headspace Vial, 21.5mL Capacity (case of 1000) - Type 1 borosilicate glass. Beveled edge finish features a sturdy rim that presses into the septum for a more effective seal. 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.

 

National Scientific Target 10-425 Convenience Kit 2mL Volume Clear Glass Light Blue Polypropylene PTFESilicone Pack of 100

National Scientific Target 10-425 Convenience Kit, 2mL Volume, Clear Glass, Light Blue, Polypropylene, PTFE/Silicone (Pack of 100)

National Scientific Target 10-425 Convenience Kit, 2mL Volume, Clear Glass, Light Blue, Polypropylene, PTFE/Silicone (Pack of 100) - Includes 100 vials and 100 caps with pre-assembled septa. Provide constant ph for duration of sample storgae life. Storage glassware manufactured in type 1, class a, 33 expansion borosilicate glass or 51a amber glass. Includes 100 vials and 100 caps with pre-assembled septa. Capacity ranges from 2ml to 40ml.

 

National Scientific Cap Black Open Top 18-400 PacK of 100

National Scientific Cap Black Open Top 18-400 (PacK of 100)

National Scientific Cap Black Open Top 18-400 (PacK of 100) - Open top caps without septa. Polypropylene screw caps are chemically inert and suitable for most chromatography applications. Phenolic caps are available in 8-425 and 13-425 sizes.

 

National Scientific Storage Vial Convenience Kits Open Top with PTFESilicone Septa 4mL Total Volume Pack of 100

National Scientific Storage Vial Convenience Kits, Open Top with PTFE/Silicone Septa, 4mL Total Volume (Pack of 100)

National Scientific Storage Vial Convenience Kits, Open Top with PTFE/Silicone Septa, 4mL Total Volume (Pack of 100) - Chemically inert caps suitable for most chromatography and storage applications. Capacity ranges from 2ml to 40ml. Storage glassware manufactured in type 1, class a, 33 expansion borosilicate glass or 51a amber glass. Provide constant ph for duration of sample storgae life.

 

National Scientific Target 10-425 Assembled Vial Kit Clear 2ml Capacity Pack of 100

National Scientific Target 10-425 Assembled Vial Kit, Clear, 2ml Capacity (Pack of 100)

National Scientific Target 10-425 Assembled Vial Kit, Clear, 2ml Capacity (Pack of 100) - Vial trays hold vials upright for easy filling and maintaining sample order. Vial trays are stackable for easy storage. Assembled kits include 100 vials with pre-attached caps and septa. Packaged in convenient vial trays with clear covers.

 

National Scientific Clear Glass I-D Target Snap-It 11mm CrimpSnap Vials with Flat Base 2ml Capacity Case of 2000

National Scientific Clear Glass I-D Target Snap-It 11mm Crimp/Snap Vials with Flat Base, 2ml Capacity (Case of 2000)

National Scientific Clear Glass I-D Target Snap-It 11mm Crimp/Snap Vials with Flat Base, 2ml Capacity (Case of 2000) - 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 graduations at 05, 10, and 15ml. 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.

 

National Scientific Clear Glass Target Polyspring Inserts with Pulled Point Conical Base Volume 350µL Insert Diameter 6mm Case of 1000

National Scientific Clear Glass Target Polyspring Inserts with Pulled Point Conical Base, Volume 350µL, Insert Diameter 6mm (Case of 1000)

National Scientific Clear Glass Target Polyspring Inserts with Pulled Point Conical Base, Volume 350µL, Insert Diameter 6mm (Case of 1000) - Shock-absorbing polysprings prevent damage to syringes, center the inserts and make them stand straight. Mandrel-formed interior has a precise “v” shape for total recovery of the sample. Inserts without springs offer an economical alternative.

 

National Scientific Integral Molded Polyethylene Membrane Target Snap-It Snap Cap Closures 11mm Pack of 100

National Scientific Integral Molded Polyethylene Membrane Target Snap-It Snap Cap Closures, 11mm (Pack of 100)

National Scientific Integral Molded Polyethylene Membrane Target Snap-It Snap Cap Closures, 11mm (Pack of 100) - Caps eliminate the need for crimping or de-capping tools. Available in a variety of colors and septa choices. Easy to apply and easy to remove from vials.

 

National Scientific C4015-96 Clear Borosilicate Glass Shell Vial Kit PP SepCap with Starburst Center 1 mL Capacity Pack of 200

National Scientific C4015-96 Clear Borosilicate Glass Shell Vial Kit, PP SepCap with Starburst Center, 1 mL Capacity (Pack of 200)

National Scientific C4015-96 Clear Borosilicate Glass Shell Vial Kit, PP SepCap with Starburst Center, 1 mL Capacity (Pack of 200) - Convenient vial kits include equal quantities of vials and caps. Original 1ml shell vial for the waters 96-position tray.

 

National Scientific PTFERub Crimp Cap 11mm Cap Size Case of 100

National Scientific PTFE/Rub Crimp Cap, 11mm Cap Size (Case of 100)

National Scientific PTFE/Rub Crimp Cap, 11mm Cap Size (Case of 100) - Seal 2000 material is specially formulated for improved background performance over ptfe/red rubber. Anodized aluminum seals fit all 11mm crimp-top vials. Viton septa perform well with ecd detectors and are resistant to many aggressive solvents.

 

National Scientific Target DP C5000-80W Glass Clear Vial and Blue Polypropylene Cap Convenience Kit with I-D Patch and Ivory PTFERed Rubber Septum 2ml Volume Pack of 100

National Scientific Target DP C5000-80W Glass Clear Vial and Blue Polypropylene Cap Convenience Kit with I-D Patch and Ivory PTFE/Red Rubber Septum, 2ml Volume (Pack of 100)

National Scientific Target DP C5000-80W Glass Clear Vial and Blue Polypropylene Cap Convenience Kit with I-D Patch and Ivory PTFE/Red Rubber Septum, 2ml Volume (Pack of 100) - Optimized ergonomics, fine texturing and evenly spaced ribbing for superior handling even with poorly fitting gloves. Septa push through nearly eliminated due to improved interior geometry without the need for bonding. Avcs provides the freedom to select the best septum for your instrument and applications. Increased sealing capability. Cost efficient alternative to current choices for resolving push through (bonded septa).

 

National Scientific Nylon Target Syringe Filter 50µm Pore Size 30mm Outside Diameter Case of 100

National Scientific Nylon Target Syringe Filter, 5.0µm Pore Size, 30mm Outside Diameter (Case of 100)

National Scientific Nylon Target Syringe Filter, 5.0µm Pore Size, 30mm Outside Diameter (Case of 100) - Flow rate is excellent. Can be used with organic or aqueous solutions. A good choice for hplc sample filtration when performing chromatography analysis. Polytetrafluoroethylene ( ptfe) is a hydrophobic membrane chemically resistant to all solvents, acids and bases. Cellulose acetate (ca) is a very low protein binding membrane ideal for aqueous based samples. Membrane has high mechanical strength and can withstand high temperature liquids. Gmf is certified for ion chromatography. Membrane of choice for dissolution testing. When used with a glass prefilter, ca is ideal for tissue culture media filtration and sensitive biological samples. Used for particle removal and degassing of solvents. 1520. Low non-specific adsorbing membrane for maximum protein recovery in critical analysis. Compatible with all hplc solvents and aqueous samples in the 3 to 12 ph range. Meets the requirements of 21 cfr 177. Can withstand solution up to 50°c. Pes is certified for ion chromatography. Polyvinylidene difluoride (pvdf) is a hydrophilic, solvent resistant membrane that exhibits low levels of uv adsorbing extractables. Available with glass prefilter. Well-suited for biological sample filtration. Available with glass prefilter. The polypropylene housings with all target syringe filters are solvent resistant and exhibit low extractables. Commonly used for general laboratory filtration. Suitable for removing particulates from hplc samples prior to injection. Polyethersulsulfone (pes) is a naturally hydrophilic membrane that gives higher flow rates, lower extractables and low binding of protein and nucleic acids and can be used with high temperature liquids. Polypropylene (pp) is a hydrophilic material that exhibits a wide range of chemical compatibility to organic solvents. Low, non-specific absorbing membranes for maximum protein recovery. It is the membrane of choice for low non-specific binding (biological analysis, protein, peptides). Nylon binds protein and is not recommended when high protein recovery is needed. Also available with 1. Extractables with water are less than 1%. 0 µm built-in glass prefilter. Not recommended for strong acids or bases. Pes is mechanically strong and resistant to a broad range of aqueous solvents. All types are supplied in packs of 100. Laboratory studies show that ca membranes bind less protein than pvdf or polysulfone membranes. Also well suited for biological sample filtration. The prefilter increases yield. Ideal for filtering chromatography solvents and samples when combined with low extractable nylon, regenerated cellulose or ptfe membranes. Regenerated cellulose (rc) is a hydrophilic, solvent resistant, low protein binding membrane. Ptfe blocks water vapor, making it ideal for transducer protectors. Also excellent for filtering and degassing organic and highly basic mobile phase solutions for liquid chromatography. Polypropylene is certified for ion chromatography. Highly solvent resistant. An excellent choice for maximum protein recovery in filtrate. Cellulose acetate is certified for ion chromatography. Glass microfiber (gmf) membranes are commonly used as prefilters to remove large particulates and to extend the load capacity of the membrane. Pes is the filter of choice for for tissue culture work. Does not impart any extractables to the filtrate. Nylon (ny) membranes are naturally hydrophilic, solvent resistant, do not require pre-wetting and have low extractables.

 

National Scientific Target 10-425 Convenience Kit 2mL Volume Clear Glass Light Blue Polypropylene PTFESilicone Pre-slit Pack of 100

National Scientific Target 10-425 Convenience Kit, 2mL Volume, Clear Glass, Light Blue, Polypropylene, PTFE/Silicone, Pre-slit (Pack of 100)

National Scientific Target 10-425 Convenience Kit, 2mL Volume, Clear Glass, Light Blue, Polypropylene, PTFE/Silicone, Pre-slit (Pack of 100) - Includes 100 vials and 100 caps with pre-assembled septa. Top grade ptfe/silicone septa used for cleanliness. Capacity ranges from 2ml to 40ml. Provide constant ph for duration of sample storgae life. Storage glassware manufactured in type 1, class a, 33 expansion borosilicate glass or 51a amber glass.

 

National Scientific C5000-53B Series C5000 Target DP 9mm Screw Thread Cap Red PTFEWhite SiliconeRed PTFE Septum Blue Pack of 100

National Scientific C5000-53B Series C5000 Target DP 9mm Screw Thread Cap, Red PTFE/White Silicone/Red PTFE Septum, Blue (Pack of 100)

National Scientific C5000-53B Series C5000 Target DP 9mm Screw Thread Cap, Red PTFE/White Silicone/Red PTFE Septum, Blue (Pack of 100) - Cost efficient alternative to current choices for resolving push through. Avcs provides the freedom to select the best septum for your instrument and applications. Septa push through nearly eliminated due to improved interior geometry. Increased sealing capability. Optimized ergonomics, fine texturing and evenly spaced ribbing for superior handling even with poorly fitting gloves.

 

National Scientific B7999-6 Glass Storage Vial 40ml Volume 28mm D x 95mm H Clear Pack of 100

National Scientific B7999-6 Glass Storage Vial, 40ml Volume, 28mm D x 95mm H, Clear (Pack of 100)

National Scientific B7999-6 Glass Storage Vial, 40ml Volume, 28mm D x 95mm H, Clear (Pack of 100) - Chemically inert caps suitable for most chromatography and storage applications. Capacity ranges from 2ml to 40ml. Top grade ptfe/silicone septa used for cleanliness. Storage glassware manufactured in type 1, class a, 33 expansion borosilicate glass or 51a amber glass. Provide constant ph for duration of sample storgae life.

 

National Scientific Polyspring Insert Clear Glass 6mm Insert Diameter Volume 500µl Pack of 100

National Scientific Polyspring Insert Clear Glass, 6mm Insert Diameter, Volume 500µl (Pack of 100)

National Scientific Polyspring Insert Clear Glass, 6mm Insert Diameter, Volume 500µl (Pack of 100) - Polyspring inserts self-center and align automatically. Flange at top of insert. Wide opening facilitates easy sample loading and withdrawal. Glass inserts are 33 expansion borosilicate glass. Inserts can be used with any 4 ml screw thread vial.

 

NATIONAL SCIENTIFIC COMPANY B7800-12 White Glass Vials with Solid PTFE-Lined Caps 12 mL Volume

NATIONAL SCIENTIFIC COMPANY B7800-12 White Glass Vials with Solid PTFE-Lined Caps, 12 mL Volume

NATIONAL SCIENTIFIC COMPANY B7800-12 White Glass Vials with Solid PTFE-Lined Caps, 12 mL Volume - Separate, resalable bags make keeping the vials and caps together simple. The sample vial convenience kits provide easy to use, shrink-wrapped vials with caps/septa in one box.

 

National Scientific Amber Glass Storage Vials 8ml Capacity 19mm ID x 65mm H Pack of 200

National Scientific Amber Glass Storage Vials, 8ml Capacity, 19mm I.D. x 65mm H (Pack of 200)

National Scientific Amber Glass Storage Vials, 8ml Capacity, 19mm I.D. x 65mm H (Pack of 200) - Chemically inert caps suitable for most chromatography and storage applications. Storage glassware manufactured in type 1, class a, 33 expansion borosilicate glass or 51a amber glass. Provide constant ph for duration of sample storgae life. Capacity ranges from 2ml to 40ml. Top grade ptfe/silicone septa used for cleanliness.

 

National Scientific PDVF Target Syringe Filter 045µm Pore Size 17mm Outside Diameter Case of 1005 Casecs

National Scientific PDVF Target Syringe Filter, 0.45µm Pore Size, 17mm Outside Diameter (Case of 100)5 Case/cs

National Scientific PDVF Target Syringe Filter, 0.45µm Pore Size, 17mm Outside Diameter (Case of 100)5 Case/cs - Also excellent for filtering and degassing organic and highly basic mobile phase solutions for liquid chromatography. Commonly used for general laboratory filtration. Ideal for filtering chromatography solvents and samples when combined with low extractable nylon, regenerated cellulose or ptfe membranes. Polyethersulsulfone (pes) is a naturally hydrophilic membrane that gives higher flow rates, lower extractables and low binding of protein and nucleic acids and can be used with high temperature liquids. A good choice for hplc sample filtration when performing chromatography analysis. Used for particle removal and degassing of solvents. Can be used with organic or aqueous solutions. Also available with 1. It is the membrane of choice for low non-specific binding (biological analysis, protein, peptides). Compatible with all hplc solvents and aqueous samples in the 3 to 12 ph range. Cellulose acetate (ca) is a very low protein binding membrane ideal for aqueous based samples. Does not impart any extractables to the filtrate. Well-suited for biological sample filtration. Ptfe blocks water vapor, making it ideal for transducer protectors. Membrane has high mechanical strength and can withstand high temperature liquids. 0 µm built-in glass prefilter. Suitable for removing particulates from hplc samples prior to injection. Highly solvent resistant. Gmf is certified for ion chromatography. Available with glass prefilter. Nylon binds protein and is not recommended when high protein recovery is needed. Meets the requirements of 21 cfr 177. Pes is the filter of choice for for tissue culture work. All types are supplied in packs of 100. Low, non-specific absorbing membranes for maximum protein recovery. Membrane of choice for dissolution testing. Polypropylene is certified for ion chromatography. Polypropylene (pp) is a hydrophilic material that exhibits a wide range of chemical compatibility to organic solvents. When used with a glass prefilter, ca is ideal for tissue culture media filtration and sensitive biological samples. Cellulose acetate is certified for ion chromatography. Polytetrafluoroethylene ( ptfe) is a hydrophobic membrane chemically resistant to all solvents, acids and bases. Polyvinylidene difluoride (pvdf) is a hydrophilic, solvent resistant membrane that exhibits low levels of uv adsorbing extractables. Also well suited for biological sample filtration. Low non-specific adsorbing membrane for maximum protein recovery in critical analysis. Pes is certified for ion chromatography. Laboratory studies show that ca membranes bind less protein than pvdf or polysulfone membranes. Regenerated cellulose (rc) is a hydrophilic, solvent resistant, low protein binding membrane. Glass microfiber (gmf) membranes are commonly used as prefilters to remove large particulates and to extend the load capacity of the membrane. Extractables with water are less than 1%. Pes is mechanically strong and resistant to a broad range of aqueous solvents. Flow rate is excellent. An excellent choice for maximum protein recovery in filtrate. 1520. Available with glass prefilter. Can withstand solution up to 50°c. Nylon (ny) membranes are naturally hydrophilic, solvent resistant, do not require pre-wetting and have low extractables. The polypropylene housings with all target syringe filters are solvent resistant and exhibit low extractables. The prefilter increases yield. Not recommended for strong acids or bases.

 

National Scientific Glass Sample Amber Vials with PTFEFoam Urethane Liner Septum 40ml Volume Pack of 100

National Scientific Glass Sample Amber Vials with PTFE/Foam Urethane Liner Septum, 40ml Volume (Pack of 100)

National Scientific Glass Sample Amber Vials with PTFE/Foam Urethane Liner Septum, 40ml Volume (Pack of 100) - Chemically inert caps suitable for most chromatography and storage applications. Provide constant ph for duration of sample storgae life. Top grade ptfe/silicone septa used for cleanliness. Storage glassware manufactured in type 1, class a, 33 expansion borosilicate glass or 51a amber glass. Capacity ranges from 2ml to 40ml.

 

National Scientific Target 10-425 Convenience Kit 2mL Volume Clear Glass I-D Light Blue Polypropylene PTFESilicone Pack of 100

National Scientific Target 10-425 Convenience Kit, 2mL Volume, Clear Glass I-D, Light Blue, Polypropylene, PTFE/Silicone (Pack of 100)

National Scientific Target 10-425 Convenience Kit, 2mL Volume, Clear Glass I-D, Light Blue, Polypropylene, PTFE/Silicone (Pack of 100) - Top grade ptfe/silicone septa used for cleanliness. Includes 100 vials and 100 caps with pre-assembled septa. Storage glassware manufactured in type 1, class a, 33 expansion borosilicate glass or 51a amber glass. Provide constant ph for duration of sample storgae life. Capacity ranges from 2ml to 40ml.





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