Kjeldahl

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Kjeldahl
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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.

  • Flask, Kjeldahl

    Ace Glass

    With standard taper outer joint at top.

  • Kjeldahl Solution

    Reagents®

    Composition: Water 60.64%, Sodium Hydroxide 37.70%, Sodium Thiosulfate Pentahydrate 1.67% Boiling Point: Approximately 100°C Density: 1.5 Color: Colorless liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 24 Months Storage: Ambient DOT: UN1824, SODIUM…

  • Kjeldahl Solution

    Reagents®

    Composition: Water 67.94%, Sodium Hydroxide 30.20%, Sodium Thiosulfate Pentahydrate 1.86% Boiling Point: Approximately 100°C Density: 1.35 Color: Colorless liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 24 Months Storage: Ambient DOT: UN1824, SODIUM…

  • Kjeldahl Solution

    Reagents®

    Composition: Water 63.39%, Sodium Hydroxide 30.51%, Sodium Thiosulfate Pentahydrate 6.10% Density: 1.4 Color: Colorless liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 24 Months Storage: Ambient DOT: UN1824, SODIUM HYDROXIDE SOLUTION, 8, P.G. II

  • 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.

  • 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.

  • Airless-Ware Kjeldahl Schlenk Flasks

    DWK Life Sciences (Kimble)

    With a unique design for the manipulation of air-sensitive and moisture-sensitive compounds Features 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…

  • Composition: Water 59.83%, Sulfuric Acid 29.39%, Potassium Sulfate 10.62%, Mercuric Oxide 0.16% Boiling Point: Approximately 102°C Density: 1.33 Color: Colorless liquid Physical State: Liquid Solubility Information: Miscible Shelf Life: 24 Months Storage:…

  • 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.

  • Kjeldahl Trap Adapters

    Kemtech America

    Synthware distillation adapter with Kjeldahl trap. With two standard taper inner joints that are parallel and at a 75 degree angle to the connecting tube. Distance between joints is approximately 200mm.

  • …accurate and reliable Kjeldahl analysis. The addition of a suitable catalyst, along with high temperature, have influence on the speed and the efficiency of the mineralization in Kjeldahl analysis. Achieving the highest level of performance in a wide range of Kjeldahl applications is now…

  • Hooded Combination Kjeldahl units enclose the distillation and digestion apparatus so that process heat may be contained and vented from the laboratory. The hood surrounding the apparatus includes three collars: one for remotely-located exhaust blower connection, one for acid fume exhaust manifold…

  • 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

  • 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…

  • …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).

  • Similar to CG-1032, but with joints of non-similar sizes at the upper and lower portion of the adapter. Dimensions are the same as the CG-1032.

  • pH: 6.1 (100 g/l, H2O, 20°C) Solubility: 100 g/l (20°C)

  • 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…

  • Catalyst for Kjeldahl Nitrogen Test (Standard Methods), replacement for Mercury Sulfate digest solution.

  • Formula: Mixture Description: For Kjeldahl Nitrogen Analysis using Copper Catalyst

  • …collect, transfer, and drop both sample and weighing boat into the acid solution during a Kjeldahl analysis without influencing analytical results. A fast and reliable way to safely transfer samples for Kjeldahl analysis Excellent for both weighing and quantitative sample transfer Made from low…

  • Entry-level Kjeldahl distillation unit for your analyses concerning different applications such as determining ammoniacal nitrogen, protein determination, nitrogen content (Kjeldahl or direct alkaline distillation), nitric nitrogen (after reduction/Devarda), phenols, volatile acids, cyanides and…

  • Traditional Kjeldahl Digestion Units for nitrogen analysis and protein determination, with an aluminum heating block that offers an excellent thermal homogeneity, with a maximum working temperature of 450°C. High Performance Excellent thermal homogeneity High temperature…

  • 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.

  • tablets, with selenium Synonym(s): Nitrogen determination (Wieninger); Selenium reaction mixture MDL Number: MFCD00144529 RIDADR: UN 3077 9 / PGIII

  • …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 heating and stirring.

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