Qualitative analysis of qualitative filter paper Laboratory filter paper

Qualitative filter paper is referred to as "qualitative analysis filter" is a filter having a good performance of paper, paper loose, there is a strong liquid absorption properties. Analysis of commonly used laboratory filter paper as the filter medium, the solution and solids separation. Used in scientific research, industry, agriculture, health care, universities, teaching experiments, environmental testing, mainly for qualitative chemical analysis and the corresponding filtration, separation and purity of manufacture of the corresponding paper. Qualitative filter paper into a square and round two categories: 1. qualitative filter paper square of 60 × 60cm, 30 × 30cm and so on. 2. Qualitative filter paper round diameter Φ7cm, Φ9cm, Φ11cm, Φ12.5cm, Φ15cm, Φ18cm, Φ22cm etc.