Diameter:9cm

Method of storage:Dry storage Recommended

Materials:Cotton fibre

Qualitative filter paper is mainly used for qualitative chemical analysis and filtration separation.In analytical chemistry,when inorganic compounds are filtered to separate sediment,the residue collected on the filter paper can be used to calculate the loss rate during the experiment.Qualitative filter paper is widely used in the experimental process of universities,scientific research institutes,chemical industry,biopharmaceutical,environmental detection and analysis and other industries.