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PDN Semi-Automatic Kjeldahl Nitrogen Analyzer for Food, Feed, Soil, and Water Testing
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PDN Semi-Automatic Kjeldahl Nitrogen Analyzer for Food, Feed, Soil, and Water Testing

Semi-automatic Kjeldahl Nitrogen Analyzer for accurate determination of nitrogen content in food, feed, soil, water, dairy, and chemical samples
Composed of digestion furnace with numeric display and azotometer distillatory for efficient and consistent performance
Infrared radiation heating enables thorough digestion in 40-90 minutes depending on sample type
Measurement range 0.1–200 mgN (0.1%–99% nitrogen), recovery rate ≥99%, repetition relative standard deviation <±1%
Distillation time 5–15 minutes, voltage AC 220V/50Hz, cooling water consumption: digestion 5L/min, distillation 3L/min
Semi-automatic operation improves efficiency compared to manual methods, suitable for laboratories in food, agriculture, and environmental testing
 
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  • PDN

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This Semi-automatic Kjeldahl Nitrogen Analyzer is a laboratory instrument used for determining the nitrogen content in organic and inorganic samples. The semi-automatic design of the apparatus allows for more efficient and consistent performance compared to manual methods. It is commonly used in a wide range of applications such as food and beverage testing, agricultural research, and environmental analysis.


Characteristic:

  • The instrument is composed of digestion furnace (different types for selecting) and azotometer distillatory.

  • The digestion furnace (numeric display model) is controlled by temperature control meter.

  • It adopts infrared radiation heating.

  • Insert the sample into the heating furnace to get the best heating effect.

  • Samples could be digested thoroughly in about 40-90 minutes (according to the amount of nitrogen).


Measure variety

foodstuff, feedstuff, foods, dairy products, drink, soil, water, medicine, precipitate, chemical

Working mode

semi-automatic

Recovery rate

≥99% (relative error, include digestion process)

Measure range

0.1~200mgN (nitrogen content 0.1%-99%)

Repetition rate

relative standard deviation<±1%

Working hours

digestion time: 40-90 minutes, distillation time: 5-15 minutes. (According to different samples, time required is also different.)

Voltage

AC 220V/50HZ

Cooling water consumption

digestion: 5L/min
Distillation: 3L/min
(Water temperature is less than 20℃)


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