Limit Test Sulphate

  General Test Procedure Limit Test Sulphate Purpose This procedure is applicable to all incoming Raw materials. Apparatus Nessler Cylinder Reagents 25%w/v Barium chloride solution 5M acetic acid (Dilute 28.5ml of acetic acid to 100ml with water) Sulphate standard solution (10ppm SO4): Dissolve 181mg of potassium sulphate in 100ml of water, dilute 5ml of this … Read more