Application of Kjeldahl Nitrogen Analyzer
KD-280F Kjeldahl nitrogen analyzer is a semi-automatic instrument that can independently determine nitrogen content according to the classical Kjeldahl method. The main function of this instrument is to be used as a distillation instrument for Kjeldahl nitrogen determination. The instrument is controlled by a metal switch, which has the advantages of simple operation, accurate test, safety and reliability. It is widely used in the analysis and determination of crude protein in grain, food, feed, soil, fertilizer, water, sediment, chemicals, dairy products, brewing, sugar, medicine, coal, rubber and other substances.
KDN-280F Kjeldahl nitrogen analyzer can also be used for other types of distillation, such as the analysis of sulfur/cyanogen/phenol, and can also be used for direct distillation of nitrogen.
Product features
※The body is made of special plastic-sprayed steel plate shell, which is beautiful and practical; the acid-base contact part is made of mirror stainless steel, which is anticorrosive and durable.
※The imported chip integrated circuit control system is adopted to ensure the high quality and high standard of the instrument; the distillation time and the alkali adding time can be flexibly controlled.
※Alkali addition and distillation can be operated independently and are not affected by each other, and the operation is convenient.
※The steam generator uses a highly sensitive probe to stably control the required volume of distilled water.
※The splash-proof tube is made of high-performance acid-resistant and alkali-resistant materials at one time, which ensures the air tightness of the experiment, is not easy to age and prolongs the service life.
※Metal button switch, after opening, different colors are bright and soft, easy to identify, simple and practical.
※The easy-pull glass safety door is simple and practical, and improves the use safety.
※Water-saving function design, advocating the concept of green environmental protection.
Technical Parameters
Scope of work | 0.1mg to 240mg nitrogen |
The weight of the sample was determined | Solids 0.3 to 8.0 G; Liquid 2.0 ~ 30.0 ml |
Test accuracy | Relative difference 0.3% |
Repeatability | Parallel difference ≤ 0.2% |
Distillation time | 5-8 minutes |
Recovery rate | ≥99.5％ |
Distilling capacity | 8 ~ 10 samples/hour |
Safe voltage | 220（V）±10%；50HZ～60HZ |
Rated power | 1.3KW |
Overall dimensions | 330x315x770（mm） |
Weight | 27kg |
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