Whatman™ Grade 287½ Kieselguhr Qualitative Filter Paper, Prepleated
Pre-pleated Kieselguhr qualitative filter paper with a medium to slow flow rate. Additional adsorption effect e.g. for the separation of very fine semi-colloidal turbidity for clarifying milk serum, starch solutions, soil suspensions or sugar-containing solutions prior to polarimetry or refractometry. Filtration speed: 330 herzberg. Typical thickness: 360µm. Basis weight: 164g/m².