Minimum Order Quantity: 1000 Metric Ton ITC-HSN Code: 28070010 Grades of sulfuric acid Although nearly 100% sulfuric acid solutions can be made, the subsequent loss of SO3 at the boiling point brings the concentration to 98.3% acid. The 98.3% grade, which is more stable in storage, is the usual form of what is described as "concentrated sulfuric acid". Other concentrations are used for different purposes. Some common concentrations are:
Nellore