| A salt containing ferric iron combined with the radical of pyrophosphoric acid. |
| In kallitype printing, a suitable paper is coated with a solution of ferric oxalate and silver nitrate, using either rod or brush. |
| In addition to the classic electrolysis products, Tessenderlo Group also produces ferric chloride and aluminium chloride. |
| For his new process, Talbot used ferric chloride, a chemical both inexpensive and one where the depth of etching could easily be controlled. |
| The elimination of ferric chlorosis and its symptoms ensures green foliage, with good growth and development of the fruit for harvest. |
| It is sparingly soluble in water, and on heating it yields ferric oxide and sulphur dioxide. |
