Supplier: Lenz Laborglas GmbH & CO.KG

DURAN®, borosilicate glass, clear.

Supplier: DWK Life Sciences

DURAN®, borosilicate glass 3.3, clear.

Supplier: GLASWARENFABRIK KARL HECHT

DURAN® borosilicate glass 3.3.

Supplier: SciLabware

Borosilicate glass 3.3.

Supplier: SciLabware

PYREX® borosilicate glass, plain neck.

Supplier: SMITH SCIENTIFIC

Borosilicate glass 3,3.

Supplier: witeg Labortechnik

DURAN®, borosilicate glass, clear.

Supplier: Kavalier

Borosilicate glass 3.3.

Supplier: GERHARDT

Distillation system, Kjeldahl, Manual, KI 9/16, Array: 6, Flask capacity: 250 ml

Supplier: witeg Labortechnik

Kjeldahl distillation unit made of borosilicate glass.

Supplier: GERHARDT

Two level apparatus for six mineralisations and six distillations.

Supplier: GERHARDT

Traditional Kjeldahl digestion units for flask sizes from 50 to 750 ml.

Supplier: SciLabware

Convenient assembly of Quickfit® glassware for Kjeldahl digestion (nitrogen determination) and distillation.

Supplier: Cole-Parmer

Designed to determine the protein content of food.

Supplier: Cole-Parmer

Specifically designed to determine protein content of food on a micro scale.

Supplier: VWR Chemicals

This product is not available in all countries. Please check with your local Avantor International office or supplier.

Supplier: PanReac AppliChem

Suitable for nitrogen determination.

Supplier: Thermo Fisher Scientific

Kjeldahl tablets with selenium (Wieninger), 5 g, Contents: Na₂SO₄: 4875 mg, Cu(II)SO₄^.5H₂O: 75 mg; Se: 50 mg, Ø: 18 - 20 mm

Supplier: Merck

Boiling chips granules ~ 2 - 8 mm

Supplier: Merck

Kjeldahl catalyst acc. to Wieninger, Contents: >94% Na₂SO₄; >1,45% CuSO₄; >1,5% Se

Supplier: VWR Chemicals

Kjeldahl tablets are catalysts that promote the digestion step of the Kjeldahl method for nitrogen determination.

Supplier: Merck

In addition to the traditional 5 g Kjeldahl tablets, which are added as catalysts to the digestion mixture, Merck Millipore can offer the 3,5 g tablet. This gives the flexibility needed to find the optimal setting for the catalyst/sulphuric acid ratio.

Supplier: VWR Collection

Low nitrogen content filters for determination of nitrogen content in steel and iron samples dissolved in acid. Filtration of fine precipitates to dissolve according Kjeldahl method.

Supplier: Whatman products (Cytiva)

This weighing paper dissolves residue free in acid solution, which is critical in applications such as Kjeldahl analysis of nitrogen in soil.

Supplier: VWR Chemicals

Certified reference materials for use as standards for Total Nitrogen, typically used as standards for Kjeldahl nitrogen determination.

Supplier: GERHARDT

Kjeldahl distillation system, Accessory, Water jet pump

Supplier: Merck

AMP (2-Amino-2-methylpropanol) zS, Sigma-Aldrich®

Supplier: VWR Chemicals

5% water has been added to maintain liquidity at room temperature.

Supplier: SI Analytics

TitroLine® 7000 automatic titrators are used in the laboratories of water supply companies, wastewater treatment plants, and the food and chemical industries. Typical applications include analysis of alkalinity and carbon dioxide, nitrogen (Kjeldahl), chloride, COD, acid number, iodine number and others. The Titronic® 500 piston burette is used in all industry sectors. Applications include all manual titration, dosing tasks and sample preparation.

Supplier: GERHARDT

VAPODEST® 300 is the ideal rapid water steam distllation instrument for Kjeldahl distillation. All glass components involved in the distillation process are back-lit for visual process control at any time.