Kjeldahl is the preferred instrument for the determination of sample proteins. It is widely used in various industries. From the point of view of function, Kjeldahl is a different classification. The advantages and disadvantages of different types of Kjeldahl are It is not the same, so the following article will briefly introduce the Kjeldahl meter's classification, advantages and disadvantages and other related knowledge.
At present, the Kjeldahl apparatus on the market can be mainly divided into four types: Kjeldahl nitrogen apparatus, semi-automatic nitrogen apparatus, automatic nitrogen apparatus, and automatic nitrogen apparatus. Kjeldahl glass apparatus is relatively inexpensive. But the operation is not safe, the detection range is relatively narrow; the semi-automatic determination of nitrogen can automatically complete the distillation, but need to manually add some reagents, so there is no automatic nitrogen determination instrument and automatic nitrogen determination instrument is convenient; semi-automatic nitrogen determination instrument automatically add each The reagents automate the distillation, but the operation process still requires personnel to supervise and participate in companies and organizations that are less suitable for operational requirements; the automatic nitrogen determination instrument is the most automated instrument in these four types of Kjeldahl analyzers. , It is a distillation titration integrated nitrogen analyzer, not only more convenient and safer to operate, but also can effectively reduce the human error, greatly improving the efficiency of protein determination and the accuracy of the results.
Although from the point of view of safety, operation, and detection effects, the automatic nitrogen determination instrument is the most comprehensive, and it is also the most obvious advantage of a Kjeldahl nitrogen analyzer. However, the relative price of the automatic nitrogen determination instrument is also the highest. . At present, these four types of Kjeldahl analyzers have been produced and sold in the market. It also shows that these four types of Kjeldahl nitrogen analyzers have a market. Therefore, during the process of selecting the Kjeldahl analyzer, the user should select the desired product according to his own experimental needs and economic level. This can truly allow the instrument to be effective in practical work and avoid resource waste.
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