READY STOCK WHATMAN NO.1 FILTER PAPERS DIAMETER 47MM 100 CIRCLES CAT. 1001-047

Filter Paper No. 1 Whatman 1001-047mm Material Cellulose Description 11 μm (Medium Flow) Parameter 0.25 psi Wet Burst Thickness 180 μm Ash ≤0.06% Diameter 47 mm Weight 88 g/m2 Quantity 100/pack Qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot), and calcium carbonate Agricultural soil analysis and seed testing procedures Air pollution monitoring by collecting atmospheric dust from airflow and photometrically measuring the stain-intensity Gas detection by quantitative chromogenesis with optical reflectance Grade 1: 11 μm (medium flow filter paper) The most widely used filter paper for routine applications with medium retention and flow rate Laboratory Application Agricultural and Food Industry Application Air Pollution Monitoring Using circles or rolls, atmospheric dust is collected from airflow and the stain-intensity measured photometrically. For gas detection, the paper is impregnated with a chromogenic reagent and color formation quantified by optical reflectance