How to Choose a Suitable Kjeldahl Nitrogen Analyzer
A nitrogen analyzer is an essential tool for determining the protein content in samples and is a classic device used in the traditional Kjeldahl nitrogen method. Therefore, selecting a suitable nitrog
A nitrogen analyzer is an essential tool for determining the protein content in samples and is a classic device used in the traditional Kjeldahl nitrogen method. Therefore, selecting a suitable nitrogen analyzer is crucial for both businesses and users. Choosing a high-quality product can significantly enhance the efficiency and accuracy of experimental testing.
To begin with, selecting a suitable nitrogen analyzer requires an understanding of the operating environment, the device's specifications, and key considerations. Some factors to keep in mind include:
The nitrogen analyzer operates based on the classic Kjeldahl method, which involves a distillation process. This requires the analyzer to have excellent airtightness, ensuring no gas leakage during the experiment.
The experiment is conducted in an environment with strong acids, strong alkalis, and high temperatures, which imposes higher requirements on the instrument's tubing, housing, and control system.
The nitrogen analyzer generates steam through a small boiler, which operates under high pressure. Proper control of water replenishment and smooth discharge of high pressure are crucial for safety.
High-quality components can reduce the likelihood of equipment failures.
Based on these points, the key factors to consider when purchasing a nitrogen analyzer are:
The analyzer should have good airtightness, have undergone standard tests, and come with a calibration certificate for assurance.
The tubing should be made of corrosion-resistant materials, such as fluororubber or EPDM rubber.
The analyzer's steam boiler should be capable of automatically sensing water levels, adding water when necessary, and providing over-temperature protection.
The use of high-quality components, tested instruments, and a manufacturer offering a warranty of two years or more ensures reliability and peace of mind.
In summary, choosing a suitable nitrogen analyzer is not difficult when following these guidelines. Of course, factors such as price, quality, after-sales service, and brand reputation will also need to be considered, which is a matter of individual judgment.
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