PICKLING COMPOSITION GIVING EXCELLENT WHITENESS OF SURFACE OF STEEL PLATE

摘要

PURPOSE: A pickling composition is provided which improves the whiteness of the surface of the pickled steel plate by controlling the generation of the rust during a washing process. CONSTITUTION: The pickling composition contains 0.1-10 gram per liter of one or more compounds selected from the group consisting of burucine compounds represented by the formula (1) of C23H26N2O4 and cyclohexylamine compounds of the formula (2) of (C6H11)xNyHz. In the chemical formula (2), x and y are either 1 or 2, and z is an integer of 0-2.