Equipment goods

To Know Better Filter Paper Classification And Its Specific Usages

Filter paper can be qualitative and quantitative. In the application of analytical chemistry, after the inorganic compound is separated by filtration to separate out the precipitate, the residue collected on the filter paper can be used to calculate the loss rate during the experiment. After the qualitative filter paper is filtered, more cotton fibers are generated, so it is only suitable for qualitative analysis. Quantitative filter paper, especially the ash-free filter paper, can resist chemical reactions more effectively after a special treatment procedure, with fewer impurities, which is suitable for quantitative analysis.

In addition to filter papers for general laboratory applications, there are many applications for filter papers in daily life and engineering. Coffee filter paper is one of the widely used filter papers. The filter paper on the outer layer of tea bags provides high softness and high wet strength. Others use air filter paper for testing suspended particles in the air, and fiber filter paper for different industrial applications.

Qualitative filter paper
Qualitative filter paper is a filter paper commonly used in the chemical laboratory to filter precipitates and suspended matter. Cotton pulp or refined sulphate wood pulp is used as raw materials. After being beaten in free form, the fiber is then impregnated with hydrochloric acid for purification treatment. It is made by low pressure pressing on a fourdrinier paper machine. The silicon content is higher than that of quantitative filter paper, and it has a certain amount of ash after burning.

To Know Better Filter Paper Classification And Its Specific Usages

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