it is colorless crystal or white crystalline powder uses: metallurgy, medicine, leather, wood preservative,plating, fertilizer Ammonium ... effective as an adjuvant for 2,4-D (amine), glyphosate, and glufosinate herbicides.It is also used in the preparation ... purifying proteins by selective precipitation; Ammonium sulfate is extremely soluble in water and so can make very concentrated solutions which ...