General Test Procedure Sulphated ash

General Test Procedure Sulphated ash   purpose This procedure is applicable to all incoming Raw materials. Apparatus Muffle furnace Balance Silica or Platinum or porcelain or quartz crucibles Graduated pipette1 ml Hot plate Desiccator Nickel tongue Reagents Sulphuric acid Procedure Keep crucible in muffle furnace at temperature 800° ± 25°C for 30 minutes. Take out … Read more