Description
Silica Gel, Davisil(R), Grade 643, 200-425 Mesh, 150A is a form of silicon dioxide made from sodium silicate. It is a granular and porous solid often used as a desiccant to control humidity and avoid spoilage. The GR is an EMD trademark and indicates this chemical r1-EAgent is suitable for use in analytical chemistry and that the product meets or exceeds American Chemical Society (ACS) requirements.