Application of Kjeldahl Nitrogen Analyzer
KD-380F automatic Kjeldahl nitrogen analyzer is an automatic instrument that can determine nitrogen content independently 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 automatically adds a set amount of alkali and starts automatic distillation. The distillation time is set by the operator. The distillate is collected in a receiving flask for further titration analysis. 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-380F automatic 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 engineering ABS plastic, which is beautiful, corrosion-resistant and never rusty.
※The imported chip integrated circuit control system is adopted to ensure the high quality and high standard of the instrument, and the digital display is used to add alkali and distillation regularly and quantitatively.
※With the countdown function, the distillation time can be set as required, and the distillation end alarm is prompted.
※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.
※Automatically memorize the last parameter setting, which is convenient for operation and can be flexibly adjusted according to the detection requirements.
※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.
※The body is made of engineering ABS plastic, which is beautiful, corrosion-resistant and never rusty.
※The imported chip integrated circuit control system is adopted to ensure the high quality and high standard of the instrument, and the digital display is used to add alkali and distillation regularly and quantitatively.
※With the countdown function, the distillation time can be set as required, and the distillation end alarm is prompted.
※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.
※Automatically memorize the last parameter setting, which is convenient for operation and can be flexibly adjusted according to the detection requirements.
※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 | 420x340x710（mm） |
Weight | 17kg |
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