Digestion Systems

Supplier: Merck

Mixed indicator 5 for ammonia titrations

Supplier: Merck

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

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 Chemicals

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

Supplier: VWR Chemicals

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

Supplier: PanReac AppliChem

Kjeldahl tablets suitable for nitrogen determination.

Supplier: Thermo Fisher Scientific

Kjeldahl tablets with selenium (Wieninger), 5 g, 824489: Na₂SO₄: 4875 mg, Cu(II)SO₄^.5H₂O: 75 mg; Se: 50 mg, 31012: 18 - 20 mm

Supplier: Bohlender

Dimensionally stable basic vessel and screw cover made of TFM, homogenous, non porous surface.

Supplier: PanReac AppliChem

Suitable for nitrogen determination.

Supplier: VELP SCIENTIFIC

Fully automatic Kjeldahl digestion units for nitrogen analysis and protein determination that incorporate the TEMS™ technology for savings in terms of time, energy (as much as 35%), money and space. The unit also includes an aluminium block for absolute temperature homogeneity and shows excellent conductivity for fast response up to 450 °C. The unit has an LCD with real time display of process steps and the choice of up to six languages. There are 54 programs available of which 30 are pre-installed and 24 user-defined programs. All necessary items are supplied in one package.

Supplier: VELP SCIENTIFIC

DK digesters are traditional digesters, consisting of an aluminium heating block that offers excellent thermal homogeneity, heating up to 450 °C, providing accuracy and minimum energy consumption. DK Series Digesters are suitable for Kjeldahl digestion applications and selected models can be combined with accessories to perform COD and metal determination applications.

Supplier: Cole Parmer

Easy-to-use external controllers feature automatic shut-off, alarms,and ability to save profi les with ramp and soak settings. Order heating block and control.

Supplier: THOMPSON & CAPPER

Kjeldahl catalyst reagents in a convenient tablet form with a range of tablets to suit general and specific applications.

Supplier: BUCHI

Control unit for the time and output management (both of which are programmable) of a maximum of two K-435 digestion units with B-414 scrubber.

Supplier: BUCHI

The model K-438 is additionally equipped with an automatically controllable lift for the raising and lowering of sample tubes. This provides a completely automatic digestion. The control software provides two versions: a manual entry of digestion time and temperature, followed by an immediate start or programming temperature and time with the opportunity for a delayed start.

Supplier: BUCHI

The B-411/ E-416 hydrolysis unit has been designed to carry out acidic hydrolysis of food and feed samples prior to solvent extraction.The hydrolysis procedure is required in a number of AOAC official methods to determine fat content of food samples including cheese, seafood, dressings, meat.