Product Short Description: Sulfate Indicator Solution principally based on the precipitation of sulfate ion in such a manner as to form sulfate crystals of uniform size. The resultant turbidity is measured at a wavelength sensitive to turbidity on a photometer. Product Description: Sulfate Indicator Solution principally based on the precipitation of sulfate ion in such a manner as to form sulfate crystals of uniform size. The resultant turbidity is measured at a wavelength sensitive to turbidity on a photometer. Other valuable Apparatus Required for Sulfate Test ::: Filter photometer complete with assorted laboratory glassware. Chemicals Required Glycerol Sulfate Solution ( The glycerol sulfate solution is used to maintain proper crystal size of pricipitated SULFATE partice ) Sulfate Indicator Solution ::: RXSOL-60-6198-500 Sulfate Standard