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The crude fiber analyzer is a device for decontaminating a sample according to the currently used acid-alkali digestion method and performing weight measurement to obtain a crude fiber content of the sample. The crude fiber analyzer uses accurate concentrations of acids and bases to deconcoct the sample under specific conditions, and then removes soluble substances with ethanol. After burning at high temperatures, the amount of minerals is deducted. The crude fiber content is called crude fiber. Crude fiber tester is not a definite chemical entity, but it is a summary of the components measured under generally recognized mandatory conditions, among which cellulose is predominant, and a small amount of hemicellulose and lignin are also present. ?
When measuring the fiber content in feeds and other articles using a fiber tester, pay attention to the fiber content in the article to be inspected. If the fiber content is too high, it will directly affect the measurement error, and the crude fiber content in the contemporary test sample is increased. Below 10%, the absolute value error ≤ 0.4, suitable for the use of crude fiber analyzer to determine; However, if the crude fiber content is above 10%, the relative error is ≤ 4%, so pay attention to the fiber in the sample when measuring the fiber content The level of content.
The principle of crude fiber analyzer and error avoidance method
The measurement of crude fiber content is used in any field. In animal husbandry, the measurement of the crude fiber content of feeds provides a reasonable use package for animals, which not only improves the quality of meat, but also improves the quality of meat. The next generation of breastfeeding has a great deal to do. Compared with humans, there is a certain requirement for the intake of fiber content every day. When it exceeds a certain range, it will not only have no benefit but will affect our health. The crude fiber content can be determined using a simple analysis method in a general laboratory, but the most reasonable and fast method is to use a coarse fiber analyzer to measure and operate, and the use of a crude fiber analyzer can reduce a lot of trouble and save Measurement time, measurement error and other advantages.