Abstract
Researches were made on the corrosion of Ni, Cu, Cu-Ni, Zn and Ag-plating, solder and phosphate-coat with the solutions of distilled water, NaCl Bordeux mixture, formaldehyd DDT, formic acid and sod. arsenite.
Found to be resistant are, Zn-plating and phosphate coat in distilled water; Zn-plating in NaCl solution; Zn-plating and Cu-Ni-plating in Bordeux mixture; and Zn-plating and Cu-Ni-plating are resisting in formaldehyde solution. They do not all rust in the DDT solution, and sod. arsenite solution, but do in the phosphat-coat solution. In the formic acid solution, all are soluble.
