KNOCKING-OVER JIG

摘要

A derusting agent on a base of phosphoric acid of a corrosion inhibitor and drencher significant in that it is composed in volume terms of 25 to 26 % phosphoric acid as an extract from a process of regenerating phosphate sediment, particularly on a base of ferric phosphate, with the action of technical sulphuric acid in a quantity of 0.1 to 8.0 %, further 0.1 to 1.0 % of the corrosion inhibitor and 65.0 to 76.0 % water.