KDN Series Kjeldahl Nitrogen Analyzer Comparison

KDN series Kjeldahl nitrogen analyzers include five models: KDN-04A Kjeldahl nitrogen analyzer, KDN-04C Kjeldahl nitrogen analyzer, KDN-08A Kjeldahl nitrogen analyzer, KDN-08C Kjeldahl nitrogen analyzer, and KDN-20C Kjeldahl nitrogen analyzer. Each model corresponds to different functions, but all can determine the protein content in substances, and all use the classic Kjeldahl nitrogen determination method.

 micro kjeldahl apparatus

KDN-04A Kjeldahl apparatus, KDN-04C Kjeldahl apparatus, KDN-08A Kjeldahl apparatus, KDN-08C Kjeldahl apparatus, KDN-20C Kjeldahl apparatus are semi-automatic nitrogen analyzer, which use microcomputer for process control. KDN series Kjeldahl nitrogen analyzer has automatic distillation control, automatic water addition, automatic water level control, automatic water stop and low water pressure alarm. It is usually used to determine the nitrogen content in seeds, grains, foods, dairy products, beverages, feed, soil and other agricultural and sideline products.

 kjeldahl distillation system

Differences between KDN series Kjeldahl nitrogen analyzers:

Model

KDN-04A

KDN-04C

KDN-08A

KDN-08C

KDN-20C

Difference

Tap water source,

including 4-hole economical 

        digestion furnace

Tap water source,

including 4-hole digital digestion furnace

Tap water source,

 including 8-hole economical 

          digestion furnace

Tap water source,

including 8-hole digital digestion furnace

Tap water source, 

ncluding 20-hole digital digestion furnace


How Kjeldahl apparatus deal with acid mist during digestion
Advantages of automatic Kjeldahl nitrogen analyzer

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