sulphuric

the sulphuric by-products of wood fires.

The sulphuric acid ate into the parts of the metal where the coat of paint had peeled.

By the carbonification degree in the concentrated sulphuric acid, the mineral wax, such as paraffin wax added can be determined.

Sulphuric acid colour is an important quality index for 2 ethylhexanol (EH) and a difficult point in process control.

Introduces the structure, characteristics of LGQ type gauger, and the situation of measuring water and sulphuric acid in SSP production.

It has discovered that trace dimethyl glyoxime can sensitivly catalyize the discoloration of dimethyl yelloue by potassium bromate in sulphuric acid.