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Laboratory analysis

Fully automatic Kjeldahl nitrogen analyser

BKN-987 / BKN-987 A

The Full-Automatic Kjeldahl Nitrogen Analyzer is an advanced laboratory instrument designed for the precise determination of nitrogen and protein content in food, agriculture, and environmental samples.

Key features

  • Automatic distillation, titration and result output
  • Measurement range up to 240 mg N, depending on model
  • Safety protections and extensive data storage
Made to orderPrice on request
Manufacturer
BIOBASE
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Reply within 24 hoursValidated selection and configurationDelivery to the UK, all European countries, USA, Canada, Mexico and South America.

01 / Accessories

Available accessories

Included accessories

  • Printer
  • 10 L distilled water tank*1
  • 5 L boric acid tank*1
  • 5 L alkali solution tank*1
  • 20 L waste liquid bucket*1
  • 1 L titration solution bottle*1
  • Refrigeration cycle system*1

Final contents, accessory compatibility and availability are confirmed in the quotation for the selected model.

02 / LaboratoriX technical datasheet

LaboratoriX technical datasheet

Technical parameters consolidated from the manufacturer documentation. Each column corresponds to one model; shared values are clearly identified. Final configuration, accessories, power supply and applicable documentation are confirmed with the quotation.

ParameterBKN-987BKN-987 A
Working Process
Common to all modelsAdding quantitative sample dilution, alkali liquor and absorption liquid; Automatically finishing distillation, titration, print and liquid-discharging.
Measurement Range0.1–240mgN0.1–210mgN
Sample Amount
Common to all modelsSolid<6 g; Liquid<16 mL
Measurement Time
Common to all models4–8 min/(cooling water temperature 18 °C)
Requirement of Cooling Water
Common to all models<18 °C
Cooling Water Consumption
Common to all models1.5 L/min
Titration Solution Concentration
Common to all models0.01–5mol/L
Titration System
Common to all modelsHigh-precision plunger type titration system
Repeatability
Common to all models±0.5 %
Recovery Ratio
Common to all models99–101 %
Data Storage
Common to all models1,000,000 groups
Consumption
Common to all models2000 W
Power Supply
Common to all modelsAC220V, 50/60 Hz
Interface
Common to all modelsRS 232
Packing Size(W*D*H)960 × 600 × 1000 mmMain body: 960 × 600 × 1000 mm Accessories: 700 × 440 × 610 mm
Gross Weight53 kgMain body: 55 kg Accessories: 30 kg

Technical data supplied by BIOBASE.

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