A calcined diatomaceous earth product produced by John Mansville Corporation and sold under the trade mark CELITE is moderately directly effective in this procedure as it contains active hydroxyl groups in its natural form when hydrated and has {HEAD ~ a high internal surface area} with {TAIL ~ voids} that readily accommodate colloidal material 
with
A calcined diatomaceous earth product produced by John Mansville Corporation and sold under the trade mark CELITE is moderately directly effective in this procedure as it contains active hydroxyl groups in its natural form when hydrated and has { HEAD ~ a high internal surface area } with { TAIL ~ voids } that readily accommodate colloidal material
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