KDN series nitrogen analyzer - a good helper of nitrogen
The KDN series nitrogen determination instrument includes two types of digester and non-digestion digester. The digester is divided into an economical digester and a digital digester. It also has different numbers of holes, such as 4 holes, 8 holes and 12 holes. And 20 holes and so on. Therefore, even the same series of KDN series nitrogen determination instruments, there are many models, here we do not give an example.
The KDN series nitrogen determination instrument is divided into an automatic nitrogen determination instrument and a semi-automatic nitrogen determination instrument depending on whether it contains a digestion furnace or not. The automatic nitrogen analyzer can be selected in two modes: automatic mode and manual mode. In the automatic mode of the automatic nitrogen determination system, you only need to place the solvent and sample in the test tube, and then turn on the switch. The instrument can automatically perform digestion, distillation, titration, and other steps. The manual mode of the semi-automatic nitrogen determination instrument is separate from each step and requires manual intervention.
KDN series nitrogen determination instrument can help people determine nitrogen easily, and because nitrogen and protein content have a certain proportional relationship, KDN series nitrogen determination instrument can also determine the content of protein in the material, such as the previous year's melamine. The incident is because some lawbreakers have found loopholes. Most of the protein content in milk powder is Kjeldahl, and the Kjeldahl method uses the proportional relationship between nitrogen and protein. We know that the nitrogen content of melamine can be as high as 66%. The incorporation of melamine in milk powder can greatly increase the protein content. Therefore, if we need to accurately determine the amount of protein in a substance, other instruments such as the Folin method and the 280 nm UV absorbance method will be used at the same time as the related instruments such as the Daikon automatic nitrogen determination instrument. There are several different methods to use if measured. With similar results, it can be concluded that the determination of the protein content of the substance is accurate.
12V Cooler Bag,Electric Cooler Bag For Car,12 Volt Lunch Box Cooler,Plug In Cool Bag For Car
Yuyao Veedai Electrical Appliance Co., Ltd , https://www.coycyqi.com