Читать книгу Henley's Formulas, Recipes and Processes (Applied Chemistry) - Various - Страница 304
Mat Aluminum.
Оглавление—In order to impart to aluminum the appearance of mat silver, plunge the article into a hot bath composed of a 10-per-cent solution of caustic soda saturated with kitchen salt. Leave it in the bath for 15 to 20 seconds, then wash and brush; put back into the bath for half a minute, wash anew and dry in sawdust.