Fully-T20utomatic Kjeldahl Analyzer LKA-T2011

Introduction

Fully-automatic Kjeldahl Analyzer is a compact and fully automated unit, adopted with distillation and titration function based on classic Kjeldahl nitrogen determination method, offers measuring range of 0.1 to 240 mg N with 5 to 10 min/sample of analysis time. With 2.0 µl/step of burette volume, 5g of solid sample and 20 ml of liquid sample capacity, features pre-install functions of cleaning, i.e., receiving cup cleaning, alkali pipeline cleaning, boric acid pipeline cleaning, acid washing, and steam bottle evacuation. Designed with 4 pumps work for dozing, measurement liquid volume, offers real time detected distilled liquid temperature and high titration accuracy. Equipped with external titration cup, integrated printer and latest core control system, it also has data storage capacity for 1000 groups.

This kjeldahl systems is designed to meet the rigorous requirements of modern laboratory operations, ensuring high precision, reliability, and ease of use for various experimental applications.

Applications

Fully-automatic Kjeldahl Analyzer is used for determination of ammonia nitrogen, protein determination, nitrogen content, nitric nitrogen, phenols, volatile acids, cyanides, alcohol content etc. across food processing, feed production, tobacco, animal husbandry, soil fertility, environmental monitoring, medicine, agriculture, scientific research, teaching, quality supervision etc.

Specifications

Measurement range	0.1 to 240 mg N
Function	Distillation and titration function based on classic Kjeldahl nitrogen determination method
Recovery rate	≥ 99.5%
Sample	Solid ≦ 5 g/sample, Liquid ≦ 20 mL/sample
Analysis time	5 to 10 min/sample
Condensate water consumption	1.5 l/min
Reproducibility	Average value relative error ≤ ± 0.5%
Burette volume	2.0 µl/step
Data storage capacity	1000 groups
Automatic function	Receiving cup cleaning, alkali pipeline cleaning, boric acid pipeline cleaning, acid washing, and steam bottle evacuation
Pump	4 pumps
Power supply	220 V AC ± 10%, 50 Hz
Power	2 kW
Dimension (W×D×H)	455×391×730 mm
Weight	38 kg

Features

A compact and fully automated Kjeldahl Analyzer, safe and time-saving

Distillation and titration function based on classic Kjeldahl nitrogen determination method

Measuring range of 0.1 to 240 mg N with 5 to 10 min/sample of analysis time

2.0 µl/step of burette volume, 5g of solid sample and 20 ml of liquid sample capacity

Pre-install functions of cleaning, i.e., receiving cup cleaning, alkali pipeline cleaning, boric acid pipeline cleaning, acid washing, and steam bottle evacuation

4 pumps work for dozing, measurement liquid volume, highly accurate dozing and working

Real time detected distilled liquid temperature and high titration accuracy

External titration cup, integrated printer, and latest core control system

Storage capacity for 1000 groups, convenient and reliable operation

Ensures test results accuracy with smooth test process

FAQs

1. What are the key factors to consider when selecting this kjeldahl systems for laboratory use?

When selecting this kjeldahl systems, key factors include: 1) The instrument's precision and accuracy to meet experimental requirements; 2) Compatibility with the types of samples and applications you will be working with; 3) Ease of use and maintenance requirements; 4) Safety features to protect operators and samples; 5) Calibration and certification requirements; 6) Cost-effectiveness and long-term reliability; 7) Technical support and service availability from the supplier. Evaluating these factors ensures that the instrument meets your laboratory's specific needs.

2. How often should this kjeldahl systems be calibrated to ensure accurate results?

It is recommended to calibrate this kjeldahl systems at least once every 6-12 months under normal usage conditions. More frequent calibration (every 3-6 months) may be necessary if: 1) The instrument is used continuously for extended periods; 2) It is exposed to harsh environmental conditions (temperature fluctuations, humidity, dust); 3) It is used for critical applications requiring high precision; 4) The instrument has been moved or subjected to physical shock; 5) Calibration checks indicate significant deviations from standard values. Always follow the manufacturer's calibration guidelines.

3. What are the common maintenance procedures required for this kjeldahl systems?

Common maintenance procedures include: 1) Regular cleaning of the instrument's exterior and sample contact surfaces to prevent contamination and ensure proper operation; 2) Inspection of moving parts (if applicable) for wear and lubrication as recommended by the manufacturer; 3) Replacement of consumable parts (filters, bulbs, reagents) according to usage guidelines; 4) Verification of performance parameters (temperature, pressure, voltage) regularly; 5) Storage of the instrument in a clean, dry environment when not in use; 6) Keeping a maintenance log to track service activities and identify potential issues early; 7) Following the manufacturer's specific maintenance schedule for optimal performance and longevity.

4. Can this kjeldahl systems be used with different types of samples, and are there any compatibility considerations?

Yes, this kjeldahl systems can be used with a variety of sample types, but compatibility considerations are important: 1) Check if the instrument's materials are compatible with the chemical composition of your samples (avoid corrosive or reactive substances that may damage the instrument); 2) Ensure that the sample volume and concentration are within the instrument's recommended range; 3) For biological samples, consider sterility requirements and potential cross-contamination risks; 4) For volatile or hazardous samples, ensure proper ventilation and safety precautions are in place; 5) Consult the manufacturer's documentation for specific sample compatibility guidelines, and perform compatibility tests with new sample types before regular use.

5. What should be done if the kjeldahl systems malfunctions or produces inconsistent results?

If malfunctions or inconsistent results occur: 1) First, check the instrument's user manual for troubleshooting guidelines specific to the issue; 2) Verify that the instrument is properly calibrated and within its calibration period; 3) Inspect for obvious issues such as loose connections, damaged parts, or incorrect settings; 4) Clean the instrument thoroughly to remove any contamination that may affect results; 5) Repeat the experiment with a known standard sample to determine if the issue is with the instrument or the sample; 6) If the problem persists, discontinue use of the instrument to prevent further damage or inaccurate results; 7) Contact technical support or a qualified service technician for diagnosis and repair, providing details of the issue and any troubleshooting steps already performed.