Graphite Digester : Graphite Block Kjeldahl Digester LKGD-A11


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LKGD-A11 is an eco-friendly easy-to-use graphite block digester system used for sample digestion with microwave reaction system, pre-treat for microwave digestion or for removing acid after digestion. It has a corrosion-resistant design with features such as advanced PID temperature control technology, ceramic fibre and unique air duct insulation technology enabling quick digestion and high efficiency.



Available Range :

Temperature Range : 5 °C - 450 °C Temperature Range : 5 °C - 450 °C
Temperature Range5 °C - 450 °C
Digestion Tube Capacity280 ml
Capacity Per Batch20 pcs / batch
Heating MethodInfrared heating and high-purity graphite conduction
Heating Insulation MethodCeramic fibre and Unique air duct insulation technology
Temperature Accuracy± 1 °C
Power SupplyAC 220 V ± 10 % / 50 Hz
Power3.6 kW
Dimension534 x 453 x 218 mm
Net Weight25 kg
  • LCD display
  • Advanced PID temperature control technology
  • Advanced insulation technology
  • Provides over-current protection, high temperature warning, over-load protection
  • Corrosion-resistant design
  • Used with microwave reaction system
  • Can pre-treat before microwave digestion or can remove acid after digestion
  • Ensures anti-oxidation processing
  • Heating method used is Infrared heating and high quality graphite conduction
  • It is suitable for LKA-A20 Kjeldahl analyzer
  • Easy-to-use
Graphite Kjeldahl Analyzer is used in Food & Feed, Beverage, Chemical and Pharmaceutical Industries to break down the bonds that hold the polypeptide together, to convert the polypeptides into simpler molecules before Kjeldahl distillation process and also to speed up the reaction.

Kjeldahl Analyzer

Labtron produces high performance TKA series of Kjeldahl Analyzer which is designed on classic Kjeldahl nitrogen determination method. Its latest core control system and fully automatic features attracts users worldwide.

Kjeldahl Analyzer : Kjeldahl Analyzer LKA-A10
  • Measuring Range
  • 0.1 mg-200 mg N
  • Analysis Time
  • 5-10 min/sample
  • Water Consumption in the Distillation Process
  • 1.5 l/min
Kjeldahl Analyzer : Semi-Automatic Kjeldahl Analyzer LKA-A20
  • Measuring Range
  • 0.1 mg-250 mg N
  • Analysis Time
  • 3-4 min/sample
  • Water Consumption in the Distillation Process
  • 1.2-3 l/min
Kjeldahl Analyzer : Fully-automatic Kjeldahl Analyzer LKA-C10
  • Measurement Range
  • 0.1 to 200 mgN
  • Function
  • Automatic test module of conventional Nitrogen
  • Recovery Rate
  • ≥ 99.5 %

Graphite Digester

Graphite digesters are used to simplify operations and meet the highest safety requirements. It ensure reproducible digestion due to the improved thermal homogeneity and accurate temperature control.

Graphite Digester : Graphite Kjeldahl Digester LKGD-A10
  • Temperature Range
  • 5 °C - 450 °C
  • Digestion Tube Capacity
  • 280 ml
  • Capacity Per Batch
  • 20 pcs / batch