Model: ZDDN-9830A

Automatic Kjeldahl Nitrogen Analyzer ZDDN-9830A products produced can be replaced with the "special operating system for the determination of chemical fertilizers and compound fertilizers. After replacing the system, add "HF" at the end of the existing product model. The products all comply with: "GB/T8572-2010" , "GB/T17767.1-2008", "NY/T1977-2010", "NY-T1116-2014"... regarding "In the presence of methyl red-methylene blue mixed indicator solution, use sodium hydroxide standard titrant to return titration" standard.

Model: ZDDN-II

Automatic Kjeldahl Protein Analyzer ZDDN-II is a measuring instrument designed based on the principle of Kjeldahl nitrogen determination. It is mainly used for the determination of sample nitrogen content and protein content. It adopts microcomputer automatic control, and the manual and automatic modes can be switched each other. It has functions such as automatic distillation control, automatic water addition, automatic water level control, and automatic water stop.

Model: ZDDN-9870

Automatic Kjeldahl Nitrogen Analyzer ZDDN-9870 products produced can be replaced with the "special operating system for the determination of chemical fertilizers and compound fertilizers. After replacing the system, add "HF" at the end of the existing product model. The products all comply with: "GB/T8572-2010" , "GB/T17767.1-2008", "NY/T1977-2010", "NY-T1116-2014"... regarding "In the presence of methyl red-methylene blue mixed indicator solution, use sodium hydroxide standard titrant to return titration" standard.

Model: ZDDN-9870A/B

Automatic Kjeldahl Nitrogen Analyzer ZDDN-9870A/B products produced can be replaced with the "special operating system for the determination of chemical fertilizers and compound fertilizers. After replacing the system, add "HF" at the end of the existing product model. The products all comply with: "GB/T8572-2010" , "GB/T17767.1-2008", "NY/T1977-2010", "NY-T1116-2014"... regarding "In the presence of methyl red-methylene blue mixed indicator solution, use sodium hydroxide standard titrant to return titration" standard.

Model: ZDDN-8900

Fully Automatic Kjeldahl Analyzer is currently the product with the largest sample placement capacity (40 positions), the highest degree of automation (no manual transfer of test tubes), and the most complete supporting equipment (optional 40-hole digestion furnace, 40-tube fully automatic tube washing) in China machine), choosing Top Instrument's series of products solves complicated tasks, saves labor costs and improves work efficiency.

Model: PDN

Semi-automatic Kjeldahl Distillation Unit 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.