Kjeldahl Flasks

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Kjeldahl Flasks
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  • Round bottom and long neck 30 mL size has square-cut mouth for multiple micro digestions; mouths of larger sizes are tooled for uniform rubber stopper fit. 30 mL flask conforms with ASTM Standard E 147 for microchemical apparatus; 100 mL through 800 mL flasks can be used in ASTM E 258 procedure.

  • KIMAX Kjeldahl Flasks

    DWK Life Sciences (Kimble)

    Reinforced bead at top 300 mL and larger sizes have tooled necks 10 and 30 mL sizes are designed from ASTM Specification E 147; 100 mL through 800 mL sizes are designed from ASTM Specification E 1377, Type 1 requirements.

  • Choice of styles: solid or with one hole of proper size for 800mL Pyrex™ Kjeldahl flasks One-hole style can be enlarge or the solid stopper bored to take larger sizes Top diameter: 39mm; bottom diameter: 28mm; height: 35mm; one-hole bore diameter: 8mm

  • Kjeldahl Flask Carrier

    Blacks Machine Co.

    Flask Carrier holds (6) six Kjeldahl flasks. Either 300, 500, 650, or 800 ml. size flasks. Spring clamps hold flask necks securely to prevent breakage. Sturdy carrier is 304 stainless steel to resist corrosion and provide years of service.

  • Carrier reduces breakage and helps prevent sample spillage. The carrier will hold 12 each 100 ml Micro Kjeldahl flasks upright at a 29° angle or 16 flasks inverted for drying. Constructed of corrosion-resistant, vinyl-coated steel. With ball-bearing base plate that remains stationary while the…

  • Airless-Ware Kjeldahl Schlenk Flasks

    DWK Life Sciences (Kimble)

    …a modified Kjeldahl shape that facilitates heating, stirring and solvent stripping without impairing ease of liquid and solid transfer The bottom of the flask is shaped to fit Kontes oil spherical heating mantles. Standard Taper joint size for Thomas numbers 4955L93 through M04 flasks is 14/20;…

  • SYNTHWARE modified Schlenk flask with a standard taper outer joint and a 0-4 mm high vacuum valve in the side arm. The valve has a PTFE o-ring at the tip. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate…

  • Flask, Kjeldahl

    Ace Glass

    With standard taper outer joint at top.

  • Micro- and Macro-Kjeldahl Extraction Heaters

    Electrothermal (Cole-Parmer)

    The Micro- and Macro-Kjeldahl Extraction equipment has been designed for Kjeldahl extraction on a micro/macro scale to determine the protein content of food. These multibank units have 2 or 6 recesses in a stainless steel outer casing with back-mounted brackets (supplied with each unit), which…

  • Kjeldahl shape flask with a standard taper outer joint.

  • …connections are 3/8" NPT. Frame is constructed of epoxy-coated steel. Features: two 600-watt heaters with two individual infinite-control knobs with variable input from 20-100% capacity and CPVC fume manifold fitted with two Teflon nipples. Requires 500 or 800 ml Kjeldahl flasks (not included).

  • …cradle 500 or 800 ml Kjeldahl digestion flasks. Individual infinite-control knobs for electric heaters with variable input from 20-100% capacity • Chemical-resistant CPVC fume manifold with heat-resistant PTFE nipples that draw chemical fumes from the digestion flasks. Full one year…

  • Adapter is placed above flask to prevent carry-over of reactions which have a tendency to foam. With top standard taper outer and lower inner joints, both being the same size.

  • Adapter is placed above flask to prevent carry-over of reactions which have a tendency to foam. With top outer and lower inner standard taper joints.

  • SYNTHWARE modified Schlenk flask with a standard taper outer joint and 2mm bore glass stopcock in side arm. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate heating and stirring.

  • SYNTHWARE modified Schlenk flask with a standard taper outer joint and a 2mm bore PTFE stopcock in side arm. The Kjeldahl shape permits easy transfer of liquids and solids. The lower portion of the flasks fits standard heating mantles to facilitate heating and stirring.

  • Volumetric Flask Brushes

    Justman Brush

    Angled handle fits easily into flask or bottle necks and bends to allow brush to fit container shape. Brushes are mounted on a flexible plastic handle designed for cleaning Erlenmeyer, Filtering, Kjeldahl, Nephelo, Pear-shaped, Round-bottom, Flat-bottom, Reaction, and Volumetric Flasks.

  • Volumetric Flask Brushes

    Justman Brush

    Angled handle fits easily into flask or bottle necks and bends to allow fitting of brush to container shape. Brushes are mounted on a flexible plastic handle, designed for cleaning Erlenmeyer, Filtering, Kjeldahl, Nephelo, Pear-Shaped, Round Bottom, Flat Bottom, Reaction, and Volumetric flasks.

  • …with six seamless stainless steel tubes, cooling water temperature gauge and remote control flow valve. Inlet and outlet water connections are 3/4" NPT. Supply line must be 1/2" ID minimum. Includes 6 connecting bulbs and 6 delivery tubes. Requires 500 or 800 ml Kjeldahl flasks (not included).

  • …remote control flow valve. Inlet and outlet water connections are 3/8" NPT. Connection to water source with tubing and fittings is required (not included). Supply line must be 5/16" ID minimum. Includes 2 connecting bulbs and 2 delivery tubes. Requires 500 or 800 ml Kjeldahl flasks (not included).

  • Kjeldahl shape facilitates heating and stirring while permitting easy transfer of liquids or solids. Lower portion of flask fits standard heating mantles. Available with a choice of a 2mm high vacuum glass stopcock having a S.S. constant pressure retaining device or a 0-4mm Chem-Cap®…

  • Provides accurate results for Kjeldahl digestions using either 30 mL or 100 mL flasks Two rear brackets provide adjustable mounting for glass manifold Each flask station consists of tubular heater element and stainless steel cup 200 Watt heater assemblies are recessed into top…

  • Rapidstill II

    Labconco

    …steam distillation for macro Kjeldahl nitrogen determinations. Compactly designed to fit on bench top. Each distillation takes five to ten minutes. Frame is constructed of epoxy-coated steel. Features: 1000-watt boiler heating element that surrounds 1000 ml flask to generate steam; boiler heater…

  • RapidStill I

    Labconco

    …plug. Includes fill valve for filling the boiling flask, rear cooling water connections through the back of the housing, adjustable height shelf to support the receiving flask, water bottle for introducing distilled water to the boiling flask via the fill valve, and one large "U" clamp…

  • Micro-Kjedahl Extraction Heater

    Techne (Cole-Parmer)

    …for Kjeldahl extraction on a micro scale to determine the protein content of food. These multibank units have 6 recesses in a stainless steel outer casing with back-mounted brackets (supplied with each unit), which can hold support rods of 12.7mm diamter max. This 6 recess model accommodates flasks

  • …the liquid. They remain at the bottom of the flask or beaker, permitting the liquid to be readily poured off. After use, the granules are simply discarded. Hengar Granules are also available with a pure selenium coating, for use in the Kjeldahl digestion and distillation method of organic nitrogen…

  • …the liquid. They remain at the bottom of the flask or beaker, permitting the liquid to be readily poured off. After use, the granules are simply discarded. Hengar Granules are also available with a pure selenium coating, for use in the Kjeldahl digestion and distillation method of organic nitrogen…

  • …the liquid. They remain at the bottom of the flask or beaker, permitting the liquid to be readily poured off. After use, the granules are simply discarded. Hengar Granules are also available with a pure selenium coating, for use in the Kjeldahl digestion and distillation method of organic nitrogen…

  • …the liquid. They remain at the bottom of the flask or beaker, permitting the liquid to be readily poured off. After use, the granules are simply discarded. Hengar Granules are also available with a pure selenium coating, for use in the Kjeldahl digestion and distillation method of organic nitrogen…

  • …the liquid. They remain at the bottom of the flask or beaker, permitting the liquid to be readily poured off. After use, the granules are simply discarded. Hengar Granules are also available with a pure selenium coating, for use in the Kjeldahl digestion and distillation method of organic nitrogen…

  • Distillation Apparatus Student Set

    GSC International, Inc.

    …inner tube (#30721) 1 Flat Bottom Boiling Flask, 500ml (#FFB500) 1 Erlenmeyer Flask, 500ml (#EF500) 1 Burette Clamp (#4-BC37) 1 Support Stand (#4-SSA55) 1 Burner Tripod (#4-BT52) 1 Wire Gauze with a ceramic center (#4000-1) 1 Kjeldahl Bulb with Stoppers (#400-2-K-S) PRODUCT…

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