Buchi Kjel­Master K-375

The KjelMaster K-375 combined with the KjelSampler K-376 or K-377 forms a fully automated Kjeldahl analysis platform for the highest sample throughput and walk-away operation. The system integrates distillation, colorimetric or potentiometric titration, reagent addition and data management in a single workflow, delivering excellent recovery and reproducibility for nitrogen and protein determination across food, feed, environmental and chemical laboratories.

Key specifications:

• Measuring range: 0.02–220 mg N per sample

• Recovery: >99.5 % (1–200 mg N)

• Titration methods: potentiometric and colorimetric

• Adjustable steam power: 30–100 %

• IntelliDist smart distillation with automatic temperature detection

• Compatible with all BUCHI sample tubes (100, 300 and 500 mL)

• Optional connection to barcode readers, balances and LIMS systems

Available models:

• KjelMaster K-375 — standalone fully automated distillation and titration unit

• K-375 with KjelSampler K-376 — 24 sample positions for unattended batch analysis

• K-375 with KjelSampler K-377 — 48 sample positions with dual independent racks for continuous processing

Applications:

• High-throughput protein determination in dairy, meat, grains and flour

• TKN analysis in wastewater, surface water and soils

• Nitrogen content in fertilizers and industrial chemicals

• TVBN analysis for fish and seafood freshness monitoring

• Feed and raw material quality control