Adopts micro Kjeldahl digestion method, adapting to 10~50mL micro digestion tubes to meet the testing needs of small-volume samples; equipped with a 16-position micro heating module, processing 16 micro samples at the same time to improve the testing throughput of micro samples; adopts high-precision micro titration system with titration accuracy of 0.001mL, ensuring the detection accuracy of trace nitrogen elements; uses natural air cooling system without external cooling water, reducing equipment use costs; adopts closed digestion design to avoid nitrogen loss during digestion and improve detection recovery rate; equipped with intelligent temperature control system to accurately control digestion temperature and time, ensuring consistent digestion effect of each sample; supports automatic acid, alkali and distilled water addition functions to reduce manual operation errors; supports automatic storage and export of sample data to facilitate experimental data organization.
Detection range: 0.01mg~10mg N; Recovery rate: ≥99.2% (tested with ammonium sulfate standard samples); Repeatability relative standard deviation ≤0.8%; Digestion temperature range: room temperature~400℃ with temperature control accuracy of ±1℃; Heating module: 16-position micro digestion rack, adapting to 10~50mL digestion tubes; Distillation time: 2~5 minutes per sample; Titration accuracy: 0.001mL; Data storage capacity: 2000+ sets of test data; Equipment dimensions: 500mm (length) × 450mm (width) × 1000mm (height); Net weight: 45kg; Power supply: AC 100-240V, 50/60Hz; Operation interface: 5-inch color touch screen; Interface: USB/RS232; Consumable compatibility: 10~50mL micro Kjeldahl digestion tubes and special titration reagents; Sample pretreatment: directly applicable to homogenized micro samples.
It is applicable to quantitative analysis of nitrogen content in cell and microbial samples in biological research; nitrogen content detection of micro raw materials and biological preparations in the pharmaceutical industry; protein detection of micro food additives and high-end health products in the food industry; nitrogen content analysis of micro plant samples and seeds in the agricultural field; micro sample testing experiments in laboratory teaching. It can accurately detect nitrogen elements in micro samples, filling the gap of traditional nitrogen analyzers in the field of micro sample testing.
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