DWK Life Sciences (Kimble), Nucleic Acid
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MIDI-VAP 4000 Distillation Systems
DWK Life Sciences (Kimble)Ammonia/Phenols and Cyanide Models Available Corrosion resistant PTFE-coated glass 30" x 14.25" footprint Overtemp protection switch Automatic shutoff MIDI-VAP 4000 Systems feature a pre-programmed digital controller with automated shut-off when reaction time is completed. They…
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Cadmium Reduction Column
DWK Life Sciences (Kimble)This column features all borosilicate glass construction with an 85 mL reservoir The glass wool plug and PTFE tubing at the bottom of the column are held securely in place by a BEVEL-SEAL™ connection, facilitating easy cleaning and assembly PTFE BEVEL-SEAL™ stopcock connector is…
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Fixed Volume Tilting Dispensers
DWK Life Sciences (Kimble)Used for dispensing a fixed volume of liquid into vessels with small openings. 675300 polyacetal Standard Taper clamp (one included) secures flask and head All-glass apparatus manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type…
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Coil-Type Reflux Condensers with Two Upper Hose Barbs
DWK Life Sciences (Kimble)Tightly wound coil provides enough surface area to condense high vapor pressure solvents like hexane. With an internal, coil-type cold finger Standard Taper outer joint at the top, Standard Taper inner drip joint at the bottom 283000 does not have a drip joint Two hose connectors…
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West Condenser with Medium Length Joints
DWK Life Sciences (Kimble)Useful for refluxing and distillation assemblies. The narrow annular space of the West design provides high cooling efficiency due to the increased flow rate of the cooling medium Medium length Standard Taper joints Condensate is not restricted with this design Manufactured from…
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Ammonia Nitrogen Apparatus
DWK Life Sciences (Kimble)Apparatus is for determining the proteinaceous nitrogen content in water. It is also useful for preparing small quantities of distilled water. Apparatus can be used for phenol, selenium and fluoride determinations. It has 24/40 Standard Taper joint and a #2 hose connection. Unit measures 595 mm H x…
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Glass Column with Stopcock Plug
DWK Life Sciences (Kimble)A general purpose column for analytical separations A plug of glass wool can be used to support the column packing PTFE stopcock plugs, 821001-0002 and 821001-0004, control the flow rate Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I…
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Luer Tip Polypropyl
DWK Life Sciences (Kimble)Lower column fitting with a luer outlet for Disposaflex™ Chromatography Columns. Luer tip only Standard taper joint: 14/20
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Glass Columns with Fritted Disc and PTFE Stopcock Plug
DWK Life Sciences (Kimble)Gravity chromatography column manufactured from medium wall tubing with 821000 PTFE stopcock Similar in design to the 420530 series 40-60 micron porosity glass frit at the lower end to act as a support for column packing material Replacement stopcock plug is 821001 Manufactured from 33…
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Chx Column Comp 100 X 1.0cm
DWK Life Sciences (Kimble)Columns are supplied complete with glass barrel, 2 end fittings with 20 μm porosity HDPE bed supports, and screw caps Each column is also supplied with 5 feet (1.5 m) of FEP PTFE tubing (1/16” OD with 1.0 cm; 1/8” OD with 2.5 and 4.8 cm), 2 flangeless tubing nuts and 2 flangeless…
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3-Prong Clamps
DWK Life Sciences (Kimble)Three-prong extension clamps hold objects ranging from 0.80 to 89 mm securely and safely. Two separate adjustment screws ensure even, precise pressure on glass to minimize the chance of breakage Clamp is easily adjusted to vary holding angle and distance from the stand Jaws are coated…
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NMR Funnel Polypro 200mm
DWK Life Sciences (Kimble)The KONTES® DISPOSAFLEX® column is an inexpensive, multi-purpose column designed to satisfy a wide range of analytical separations using aqueous buffers. A typical application of the Disposaflex® column is the extraction of the cyclic nucleotides cAMP and cGMP from sample preparations…
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Basic Glass Columns
DWK Life Sciences (Kimble)420300 series are basic columns used for many separations in adsorption and ion exchange chromatography Glass wool (not supplied) is used to support column packing Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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Flex-Column Economy Chromatography Columns
DWK Life Sciences (Kimble)Ideal for use with gel filtration, ion exchange, affinity and adsorption media Economical Easy to use Universal fittings and tubing connections Ideal for use with gel filtration, ion exchange, affinity and adsorption media. Polypropylene reservoirs and column outlets are permanently…
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West Condenser with Full Length 24/40 Joints
DWK Life Sciences (Kimble)The narrow annular space of the West design provides high cooling efficiency due to the increased flow rate of the cooling medium. Full length 24/40 joints Standard Taper outer joint at the top and Standard Taper inner drip joint at the bottom Manufactured from 33 expansion, low…
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KIMAX Stark-Dean Traps
DWK Life Sciences (Kimble)Has separate reflux overflow tube Graduated in 1/10 ml divisions from 0 to 1 mL; in 1/5 mL divisions from 1 to 10 mL With 24/40 joints; meets ASTM Standard E 123 Specialized for determination of water in emulsified asphalts With Standard Taper24/40 joints and reflux overflow…
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Snyder Distillation Columns
DWK Life Sciences (Kimble)Snyder distillation column with floating ball valves for improved vapor-liquid contact. Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements.
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Jacketed CHROMAFLEX® Columns
DWK Life Sciences (Kimble)Jacketed CHROMAFLEX® columns are provided with an acrylic water jacket to provide thermal control of temperature-sensitive chromatographic separations. The acrylic jacket also acts as a safety shield. Threaded Recommended sterilization is with ethylene oxide, 2N NaOH or…
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Chx Column Comp 15 X 2.5cm
DWK Life Sciences (Kimble)Columns are supplied complete with glass barrel, 2 end fittings with 20 μm porosity HDPE bed supports, and screw caps Each column is also supplied with 5 feet (1.5 m) of FEP PTFE tubing (1/16” OD with 1.0 cm; 1/8” OD with 2.5 and 4.8 cm), 2 flangeless tubing nuts and 2 flangeless…
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Column 11X300mm
DWK Life Sciences (Kimble)The reinforced top and tooled lower end of this KIMAX® column provide extra strength and a tight, leakproof fit with an all-PTFE stopcock. An o-ring has been added under the PTFE fitment to maintain a liquid-tight seal over a large temperature range (0-100 °C) Liquid contacts…
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Chx Column Comp 30 X 2.5cm
DWK Life Sciences (Kimble)Columns are supplied complete with glass barrel, 2 end fittings with 20 μm porosity HDPE bed supports, and screw caps Each column is also supplied with 5 feet (1.5 m) of FEP PTFE tubing (1/16” OD with 1.0 cm; 1/8” OD with 2.5 and 4.8 cm), 2 flangeless tubing nuts and 2 flangeless…
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Reaction Flask Clamps
DWK Life Sciences (Kimble)Aluminum construction to connect tops to flasks Wing nuts or thumb screws are spaced to assure uniform compression for sealing the system
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Desiccators with Plastic Top Knob
DWK Life Sciences (Kimble)Excellent for storage of hygroscopic chemicals, and to prevent adsorption of moisture when using crucibles, weighing bottles, and watch glasses. Plastic screw-thread top cap for easy cover removal Recessed base for containment of desiccant Includes metal plate Manufactured from…
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Chx Column Comp 15 X 4.8cm
DWK Life Sciences (Kimble)Columns are supplied complete with glass barrel, 2 end fittings with 20 μm porosity HDPE bed supports, and screw caps Each column is also supplied with 5 feet (1.5 m) of FEP PTFE tubing (1/16” OD with 1.0 cm; 1/8” OD with 2.5 and 4.8 cm), 2 flangeless tubing nuts and 2 flangeless…
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Chx Column Comp 60 X 2.5cm
DWK Life Sciences (Kimble)Columns are supplied complete with glass barrel, 2 end fittings with 20 μm porosity HDPE bed supports, and screw caps Each column is also supplied with 5 feet (1.5 m) of FEP PTFE tubing (1/16” OD with 1.0 cm; 1/8” OD with 2.5 and 4.8 cm), 2 flangeless tubing nuts and 2 flangeless…
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Glass Columns with Fritted Disc
DWK Life Sciences (Kimble)Basic column used for many separations in adsorption and ion exchange chromatography. 40-60 micron porosity fritted disc is sealed in Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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Flex-Column 1.5X100cm Pk3
DWK Life Sciences (Kimble)FLEX-COLUMNS® are economical and easy-to-use. Short columns are typically used for ion exchange chromatography, sample desalting and semi-disposable applications, while the long columns are ideally suited for gel filtration and adsorption chromatography. Constructed of polypropylene…
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Liebig Condensers
DWK Life Sciences (Kimble)Standard Taper outer joint at the top Standard Taper inner drip joint at the bottom Hose connections accept 3/8” ID flexible tubing Ref: ASTM Method D322 Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements
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Allihn Condensers with Full Length Water-Cooled Joints
DWK Life Sciences (Kimble)For use in many refluxing operations, including Soxhlet extractions. Straight outlet tube at top Water-cooled Standard Taper inner drip joint at bottom Manufactured from 33 expansion, low extractable borosilicate glass conforming to USP Type I and ASTM E438, Type I, Class A requirements