Anhydrous calcium sulfate with cobaltous chloride indicator
sulfate with cobaltous chloride indicator.
drying agent giving visual indication of the progress of absorption and
Will absorb 6-10%
of its weight in water, depending on relative humidity. As it absorbs moisture,
indicator color changes from blue to rose-red. Regeneration is accomplished by
heating (layered 1 granule deep), for 1 hour at 120°C.